Double Nut Provisions

Double Nut Provisions, Total:339 items.

The international standard classification for "Double Nut Provisions" includes: Nuts , Dividing and tool-workpiece holding devices , Nuts , Washers, locking elements .

The Chinese standard classification for "Double Nut Provisions" includes: Fasteners , Measuring tool and instrument , Pipe fittings, clamps and seals , Fastener .

Professional Standard - Aerospace

QJ 3243.2-2005 High temperature self-locking nuts - Part 2：GH2132 bihexagonal self-locking Nuts
QJ 3079.15A-2011 All metal self-locking nuts.Part 15:Anchor fixed floating two lug nuts(type B)
QJ 3079.22-2011 All metal self-locking nuts.Part 22:Anchor fixed rubber seal two lug nuts
QJ 3079.8A-2011 All metal self-locking nuts.Part 8:Stainless steel anchor fixed two lug nuts
QJ 1145.4-1987 Welding fixture parts and components Hexagonal two-way nuts
QJ 3079.23-2011 All metal self-locking nuts.Part 23:Anchor fixed nylon seal two lug nuts
QJ 3079.16-1998 All Metal Self-locking Nuts - Floating Stainless Steel Anchor Nut with Two Lugs
QJ 3078.8A-2011 Self-locking nuts with non-metallic insert.Part 8:Carbon steel anchor flating two lug nuts
QJ 3243.3-2005 High temperature self-locking nuts - Part 3：GH4738 bihexagonal self-locking Nuts
QJ 3079.12-1998 All Metal Self-locking Nuts - Small-sized Anchor Nut with Two Lugs
QJ 2418-1992 MJ Threaded Fastener - Self-locking Nuts with Double-lug Anchor at 1100mpa / 235 ℃
QJ 3079.14-1998 All Metal Self-locking Nuts - Floating Anchor Nut with Single Lug (Type A)
QJ 2413-1992 MJ Threaded Fastener - Small-Dimension Self-locking Nuts with Two Lug Anchor at 1100mpa / 235 ℃
QJ 3078.6A-2011 Self-locking nuts with non-metallic insert.Part 6:Carbon steel anchor fixed two lug nuts
QJ 3079.7A-2011 All metal self-locking nuts.Part 7:Anchor fixed two lug nuts
QJ 3079.14A-2011 All metal self-locking nuts.Part 15:Anchor fixed floating two lug nuts(type B)
QJ 3079.7-1998 All Metal Self-locking Nuts - Anchor Nut with Two Lugs
QJ 2412-1992 MJ Threaded Fastener 1100mpa/235℃ Double-lug Support Plate Self-locking Nut
QJ 2759.3-1995 MJ Thread Plug Gauge - MJ Thread Plug Gauge of Fixed Double-head Steel Ball
QJ 3079.16A-2011 All metal self-locking nuts.Part 16:Stainless steel anchor fixed floating two lug nuts
QJ 3078.6-1998 Self-locking Nuts with Non-metallic Insert - Anchor Nut with Two Lugs
QJ 308(1)-1978 Swimming double-ear bracket self-locking nut bracket
QJ 3078.8-1998 Self-locking Nuts with Non-metallic Insert - Floating Anchor Nut with Two Lugs
QJ 3079.15-1998 All Metal Self-locking Nuts - Floating Anchor Nut with Two Lugs (Type B)
QJ 3079.8-1998 All Metal Self-locking Nuts - Stainless Steel Anchor Nuts with Two Lugs
QJ 3079.12A-2011 All metal self-locking nuts.Part 12:Anchor fixed reduced series two lug nuts

Professional Standard - Aviation

HB 20018-2011 Cross, with two swivel nut for flareless tube(0Cr18Ni9)
HB 7531-1997 Symmetrical Four-way Pipe Connector with Double Swivel Nuts
HB 20027-2011 Cross with two swivel nut, asymmetry, flareless tube(0Cr18Ni9)
HB 20017-2011 Cross with two swivel nut for flareless tube(1Cr18Ni9Ti)
HB 8387-2013 Self-locking nuts for double lugs traveling plate with MJ thread
HB 8054-2002 Self-locking hexagon two-lug anchor nuts with MJ thread
HB 7363-1996 Double lug anchor self-locking nut with ＭＪthread
HB 7527-1997 Unsymmetrical Tee Pipe Joint with Double Swivel Nuts
HB 7528-1997 Symmetrical Tee Pipe Joint with Double Swivel Nuts
HB 1-804-1976 Double ear bracket self-locking nut
HB 8056-2002 Self-locking,single-lug double holes anchor nuts, with MJ thread
HB 1-506-1974 Double Tooth Stop Washers for Round Nuts
HB 1-808-1983 Self-locking nuts for double-ear floating pallets
HB 7530-1997 Asymmetrical Four-way Pipe Connector with Double Swivel Nuts
HB 8058-2002 Self-locking two lug anchor nuts with MJ thread
HB 1-804-1983 Double ear bracket self-locking nut
HB 8060-2002 Self-locking sealed single lug double holes anchor nuts with MJ thread
HB 8056-2013 16CrSiNiMJ thread single ear double hole pallet self-locking nut
HB 8061-2002 Self-locking sealed two lug anchor nuts with MJ thread
HB 9-5-1983 Double ear flat nut
HB 9-5-1968 Double ear flat nut
HB 20028-2011 Cross with two swivel nut, asymmetry, flareless tube(1Cr11Ni2W2MoV)
HB 20024-2011 Tee, with two swivel nut, flareless tube(0Cr18Ni9)
HB 1-814-1983 Double lug shock nut
HB 1-818-1979 Two-ear sealed swimming self-locking nut
HB 1-816-1969 Double Nut with Bracket
HB 20025-2011 Tee, with two swivel nut, flareless tube(1Cr11Ni2W2MoV)
HB 1-506-1983 Round nut with double check washer?
HB 1-814-1976 Double lug shock nut
HB 8377-2013 Aluminum Alloy Light Duty Shear Resistant Sealed MJ Thread Double Hex High Lock Nut
HB 20023-2011 Tee, with two swivel nut, flareless tube(1Cr18Ni9Ti）
HB 1-808-1976 Self-locking nuts for double-ear floating pallets
HB 1-818-1983 Two-ear sealed swimming self-locking nut
HB 20026-2011 Cross with two swivel nut, asymmetry, flareless tube(1Cr18Ni9Ti)
HB 7364-1996 Double lug anchor self-locking nut with ＭＪthread
HB 20019-2011 Cross, with two swivel nut for flareless tube(1Cr11Ni2W2MoV)

Military Standard of the People's Republic of China-General Armament Department

GJB 125.3.1A-1989 Double-ear sealing traveling self-locking nut sealing cover
GJB 125.4A-1989 Double-ear sealing swimming self-locking nut self-locking nut
GJB 125.2A-1989 Double-ear sealing swimming self-locking nut
GJB 125.1-1986 Double-ear sealing swimming self-locking nut
GJB 125.6.2A-1989 Double-ear seal traveling self-locking nut sealing ring
GJB 125.6.1A-1989 Double-ear seal traveling self-locking nut sealing ring
GJB 125.2-1986 Double-ear sealing swimming self-locking nut
GJB 125.5A-1989 Double-ear sealing swimming self-locking nut pressure ring
GJB 125.3.1-1986 Double-ear sealing traveling self-locking nut sealing cover
GJB 125.4-1986 Double-ear sealing swimming self-locking nut self-locking nut
GJB 125.7A-1989 Double-ear sealing swimming self-locking nut
GJB 125.6-1986 Double-ear seal traveling self-locking nut sealing ring
GJB 125.1A-1989 Double-ear sealing swimming self-locking nut
GJB 125.8A-1989 Double-ear sealing swimming self-locking nut
GJB 125.3.2A-1989 Double-ear sealing traveling self-locking nut sealing cover
GJB 125.5-1986 Double-ear sealing swimming self-locking nut pressure ring
GJB 125.3.2-1986 Double-ear sealing traveling self-locking nut sealing cover

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 940-1988 Boots for self-locking nuts, two lug
GB/T 962-1988 Spacers for self-locking nuts, twolug
GB/T 930-1988 Self-locking nuts, two lug
GB/T 933-1988 Self-locking nuts, two lug, sealing

Korean Agency for Technology and Standards (KATS)

KS B 1037-2012 Stud bolts

German Institute for Standardization

DIN 547:2024-05 Round nuts with drilled holes in one face
DIN 962:1969 Bolts, screws, studs and nuts - Designations, types and finishes
DIN 962:2013 Bolts, screws, studs and nuts - Designations, types and finishes
DIN 962:1975 Bolts, screws, studs and nuts - Designations, types and finishes
DIN 962 E:2012-01 Bolts, screws, studs and nuts - Designations, types and finishes
DIN 962:1983 Bolts, screws, studs and nuts - Designations, types and finishes
DIN 962:2001 Bolts, screws, studs and nuts - Designation, types and finishes
DIN 5200 E:2008-07 Assembly tools for screws and nuts - Screwdrivers for slotted head screws, double offset - Dimensions and requirements
DIN 5200:2009 Assembly tools for screws and nuts - Screwdrivers for slotted head screws, double offset - Dimensions and requirements
DIN EN 3637:2023-05 Aerospace series - Nut, self-locking, bi-hexagonal (double reduced), in heat resisting nickel base alloy - NI-P101HT (Waspaloy), silver plated, Classification: 1210 MPa/730 °C; German and English version FprEN 3637:2023 / Note: Date of issue 2023-04-1...
DIN ISO 1085:2018-12 Assembly tools for screws and nuts - Double-ended wrenches - Size pairing (ISO 1085:2016)
DIN ISO 1085:2007 Assembly tools for screws and nuts - Double-ended wrenches - Size pairing (ISO 1085:1999) English version of DIN ISO 1085:2007-04
DIN ISO 1085 E:2018-06 Assembly tools for screws and nuts - Double-ended wrenches - Size pairing
DIN 65017 E:2014-08 Aerospace - Anchor nuts, self-locking, deep counterbore, double lug, for temperatures up to 315 °C and up to 425 °C
DIN V 65900-18:2001 Aerospace series - Nuts, bihexagonal, self-locking - Torque for technical specifications - Basic calculations (AECMA Technical Report TR 4597:2000)
DIN 70810-2:1971-08 Nut holders for square nuts, closed type
DIN 65240:2002 Aerospace - Anchor nuts with MJ thread, deep counterbore, self-locking, floating, two lug, steel; Classification: 1100 MPa/235 °C
DIN 65343:2002 Aerospace - Anchor nuts with MJ thread, deep counterbore, self-locking, two lug, reduced, steel; Classification: 1100 MPa/235 °C
DIN 5200:2009-07 Assembly tools for screws and nuts - Screwdrivers for slotted head screws, double offset - Dimensions and requirements

Society of Automotive Engineers (SAE)

SAE AS4347-1993 Union Assembly@ Double Retained Nut
SAE AS4347-2013 UNION ASSEMBLY, DOUBLE RETAINED NUT
SAE AS4572-1 AS4572 Typical Assembly of Retained Bolts - Double Anchor Nuts
SAE AS6752-1 AS6752 Typical Assembly of Retained Bolts - Double Anchor Nuts
SAE AS4572-1-1955 AS4572 Typical Assembly of Retained Bolts - Double Anchor Nuts
SAE AS6752-1-1959 AS6752 Typical Assembly of Retained Bolts - Double Anchor Nuts
SAE AS4347-1993(R2004) Union assembly, double retained nut
SAE AS6753-1 AS6753 Packing Plate for Steel Retaining Rings - Double Anchor Nuts
SAE AS4574-1 AS4574 Packing Plates for Steel Retaining Rings - Double Anchor Nuts
SAE AGS2008-16-2005 AGS2008 Stiffnuts, Double Anchor, Thin
SAE AS6754-1 AS6754 Packing Plate for Nylon Retaining Rings - Double Anchor Nuts
SAE AS4576-1 AS4576 Packing Plates for Nylon Retaining Rings - Double Anchor Nuts
SAE AS3291-1982 NUT@ SELF-LOCKING@ DOUBLE HEXAGON@ AMS 5709
SAE AS3291-2004 NUT, SELF-LOCKING, DOUBLE HEXAGON, AMS 5709
SAE AGS2008-16 AGS2008 Stiffnuts, Double Anchor, Thin
SAE AS3262B-2013 Nut, Self-Locking, Plate-2 Lug, Floating, Counterbored, UNS S66286
SAE AS3291 Nut, Self-Locking, Double Hexagon, Ams 5709
SAE AS3068A-2012 NUT, SELF-LOCKING, DOUBLE HEXAGON, REDUCED ENVELOPE, AMS7251
SAE AS42910-4-2004 AS42910-915 Nut, Self Locking, Bi-Hexagon, Waspaloy
SAE AS28004-2 AS28004 Nut - Self-Locking, Double Lug Anchor, Cadmium Coated
SAE AS3068B-2020 Nut, Self-Locking, Double Hexagon, Reduced Envelope, AMS7251
SAE AS42910-4 AS42910-915 Nut, Self Locking, Bi-Hexagon, Waspaloy
SAE AS3070-2012 NUT, SELF-LOCKING, DOUBLE HEXAGON, REDUCED ENVELOPE, AMS7251
SAE AS3067C-2020 Nut, Self-Locking, Double Hexagon, Reduced Envelope, AS7251
SAE AS3070A-2020 Nut, Self-Locking, Double Hexagon, Reduced Envelope, AMS7251
SAE AS3069-2012 NUT, SELF-LOCKING, DOUBLE HEXAGON, REDUCED ENVELOPE, AMS7251
SAE AS3069A-2020 Nut, Self-Locking, Double Hexagon, Reduced Envelope, AMS7251
SAE AS63470-5-2007 AS63470-475 Nut, Self-Locking, Bi-Hexagon, Waspaloy
SAE AS63470-5 AS63470-475 Nut, Self-Locking, Bi-Hexagon, Waspaloy
SAE AS3067B-2012 NUT, SELF-LOCKING, DOUBLE HEXAGON, REDUCED ENVELOPE, AS7251
SAE AS28004-2-1970 AS28004 Nut - Self-Locking, Double Lug Anchor, Cadmium Coated
SAE AS4347 Union Assembly, Double Retained Nut
SAE AS3066-2001 NUT, SELF-LOCKING, DOUBLE HEXAGON, REDUCED ENVELOPE, AMS 7251
SAE AS3397-2006 NUT, SELF-LOCKING, DOUBLE HEXAGON, REDUCED ENVELOPE, AMS 7251
SAE AS3066A-2004 Nut@ Self-Locking@ Double Hexagon@ Reduced Envelope@ AMS 7251
SAE AS3066C-2020 Nut, Self-Locking, Double Hexagon, Reduced Envelope, AMS 7251
SAE AS6146A-2022 NUT, SELF-LOCKING, DOUBLE HEXAGON, REDUCED ENVELOPE, UNS S66286
SAE AS3069-1988 Nut, Self-Locking, Double Hexagon, Reduced Envelope, AMS 7251
SAE AS3069-1979 Nut@ Self-Locking@ Double Hexagon@ Reduced Envelope@ AMS 7251
SAE AS3068A-1973 Nut@ Self-Locking@ Double Hexagon@ Reduced Envelope@ AMS 7251
SAE AS3067-1977 Nut@ Self-Locking@ Double Hexagon@ Reduced Envelope@ AMS 7251
SAE AS6146-2011 NUT, SELF-LOCKING, DOUBLE HEXAGON, REDUCED ENVELOPE, UNS S66286
SAE AS3291A-2019 NUT, SELF-LOCKING, DOUBLE HEXAGON, AMS5709 (UNS N07001), 180 KSI
SAE AS3067B-1997 NUT@ SELF-LOCKING@ DOUBLE HEXAGON@ REDUCED ENVELOPE@ AS7251
SAE AS28010-2-1970 AS28010 Nut, Self-Locking, Miniature, Double Lug Anchor, Cadmium Coated
SAE AS28010-2 AS28010 Nut, Self-Locking, Miniature, Double Lug Anchor, Cadmium Coated
SAE AS3070-1976 NUT@ SELF-LOCKING@ DOUBLE HEXAGON@ REDUCED ENVELOPE@ AMS7251
SAE AS3397B-2021 NUT, SELF-LOCKING, DOUBLE HEXAGON, REDUCED ENVELOPE, AS7251 (UNS S66286)
SAE AS3397A-2015 NUT, SELF-LOCKING, DOUBLE HEXAGON, REDUCED ENVELOPE, AS7251 (UNS S66286)
SAE AS6146A-2016 NUT@ SELF-LOCKING@ DOUBLE HEXAGON@ REDUCED ENVELOPE@ UNS S66286
SAE AS6146 Nut, Self Locking, Double Hexagon, Reduced Envelope, UNS66286
SAE AS3291A-2013 Nut, Self-Locking, Double Hexagon, AMS5709 (UNS N07001), 180 KSI
SAE AS20620-9-2004 AS20620-639 Nut, Self-Locking, Extended Washer Double Hexagon
SAE AS4574-1-1955 AS4574 Packing Plates for Steel Retaining Rings - Double Anchor Nuts
SAE AS63450-2 AS63450-459 NUT, SELF-LOCKING, EXTENDED WASHER, DOUBLE HEXAGON
SAE AS20620 THRU AS20639-2004 Nut, Self-Locking, Extended Washer Double Hexagon
SAE AS20620-9 AS20620-639 Nut, Self-Locking, Extended Washer Double Hexagon
SAE AS28008-2 AS28008 Nut, Anchor, Double Lug, Floating, Self-Aligning, Cadmium Coated
SAE AS6753-1-1959 AS6753 Packing Plate for Steel Retaining Rings - Double Anchor Nuts
SAE AS63450-2-2022 AS63450-459 NUT, SELF-LOCKING, EXTENDED WASHER, DOUBLE HEXAGON
SAE AS63450-1-1999 AS63450-459 Nut, Self-Locking, Extended Washer, Double Hexagon
SAE AS3477B-2019 NUT, SELF LOCKING - DOUBLE HEXAGON, EXTENDED WASHER, UNS S66286, SILVER PLATED, UNJ THREAD
SAE AS3068A-1978 Nut, Self-Locking, Double Hexagon, Reduced Envelope, AMS 7251 FSC 5310
SAE AS63450-1 AS63450-459 Nut, Self-Locking, Extended Washer, Double Hexagon
SAE AS3477-1991 Nut@ Self Locking - Double Hexagon@ Extended Washer@ UNS S66286@ Silver Plated@ UNJ Thread
SAE AS3625-2011 NUT@ SELF-LOCKING@ DOUBLE HEXAGON@ REDUCED ENVELOPE@ UNS S66286 SILVER PLATED THREADS ONLY
SAE AS3625B-2018 Nut, Self-Locking, Double Hexagon, Reduced Envelope, UNS S66286 Silver Plated Threads Only
SAE AS3477A-2006 NUT, SELF LOCKING - DOUBLE HEXAGON, EXTENDED WASHER, UNS S66286, SILVER PLATED, UNJ THREAD
SAE AS3625A-2012 Nut, Self-Locking, Double Hexagon, Reduced Envelope, UNS S66286 Silver Plated Threads Only
SAE AS28008-2-1970 AS28008 Nut, Anchor, Double Lug, Floating, Self-Aligning, Cadmium Coated
SAE AS3069 Nut, Self-Locking, Double Hexagon, Reduced Envelope, AMS 7251
SAE AS3397 Nut, Self-Locking, Double Hexagon, Reduced Envelope, AMS 7251
SAE AS3066 Nut, Self-Locking, Double Hexagon, Reduced Envelope, Ams 7251
SAE AS3070 Nut, Self-Locking, Double Hexagon, Reduced Envelope, AMS 7251
SAE AS3066A Nut, Self-Locking, Double Hexagon, Reduced Envelope, Ams 7251
SAE AS3066B-2013 Nut, Self-Locking, Double Hexagon, Reduced Envelope, AMS 7251
SAE AS3066C Nut, Self-Locking, Double Hexagon, Reduced Envelope, AMS 7251
SAE AS3068A Nut, Self-Locking, Double Hexagon, Reduced Envelope, AMS 7251
SAE AS3066B Nut, Self-Locking, Double Hexagon, Reduced Envelope, AMS 7251
SAE AS3397-1984 Nut, Self-Locking, Double Hexagon, Reduced Envelope, AMS 7251 FSC 5310
SAE AS4341-2007 WIRE, RETAINING FOR RETAINED NUT
SAE AS4341A-2015 WIRE@ RETAINING FOR RETAINED NUT
SAE AS8652-4 AS8652 Self-Locking Nuts, Double Lug Anchor. C.R. Steel, 125,000 lbf/in2 250°C
SAE AS54381-1 AS54381-390 Nut, Self Locking, Extended Washer, Double Hexagon - for Use with Impedance Type Bolts
SAE AS28007-4-1972 AS28007 Nut, Self-Locking, Non C.R. Steel, Floating, Double Lug Anchor, Cadmium Coated
SAE AS8652-4-1973 AS8652 Self-Locking Nuts, Double Lug Anchor. C.R. Steel, 125,000 lbf/in2 250°C
SAE AS4341-1993 Wire@ Retaining for Retained Nut
SAE AS54381-2 AS54381-390 Nut, Self Locking, Extended Washer, Double Hexagon - for Use with Impedance Type Bolts
SAE AS64379-1 AS64379-380 Nut, Self-Locking, Extended Washer, Double Hexagon – for Use with Impedance Type Bolts
SAE AS64379-2 AS64379-380 NUT, SELF LOCKING, EXTENDED WASHER, DOUBLE HEXAGON - FOR USE WITH IMPEDANCE TYPE BOLTS
SAE AS54381-3 AS54381-390 Nut, Self Locking, Extended Washer, Double Hexagon - For Use with Impedance Type Bolts
SAE AS3552A-2007 NUT, SELF-LOCKING, DOUBLE HEXAGON, SILVER PLATED, EXTENDED WRENCH PAD 180 KSI, 1400 °F, UNS N07001

SCC

ADS AS4572 Typical Assembly of Retained Bolts - Double Anchor Nuts
ADS AS6752 Typical Assembly of Retained Bolts - Double Anchor Nuts
ADS AGS2007 Stiffnuts - Double Anchor - Thick
AIA NAS444 Nut - Double Lug Anchor Type
ADS AGS2009 Stiffnuts - Double Anchor - Countersunk
ADS AS28010 Nut, S/Locking, Miniature, Double Long Lug Anchor, Cadmium Coated
ADS AS28004 Nut, S/Locking, Non C.R. Steel, Double Lug Anchor, Cadmium Coated
AIA NAS681 Nuts, Self-Locking, Plate-Two Lug, Low Height, Csk
ADS AS63450-459 Nut, Self-Locking, Extended Washer, Double Hexagon
ADS AS4576 Packing Plates for Nylon Retaining Rings - Double Anchor Nuts
ADS AS6754 Packing Plate for Nylon Retaining Rings - Double Anchor Nuts
ADS AS28008 Nut, Anchor, Double Lug, Floating, Self Aligning, Cadmium Coated
ADS AS6753 Packing Plate for Steel Retaining Rings - Double Anchor Nuts
AIA NAS680 Nut, Self-Locking, Plate Two Lug, Low Height, C'Bore
ADS AS4574 Packing Plates for Steel Retaining Rings - Double Anchor Nuts
ADS AS8652 Self-Locking Nuts, Double Lug Anchor, CR Steel, 125,000lbf/in2 250°C
ADS AS28007 Nut, Self-Locking, Non C.R. Steel, Floating, Double Lug Anchor, Cadmium Coated
AIA NAS9940 NUT ASSEMBLY, HIGH VIBRATION 300,000 CYCLES, DUAL LOCK
ADS AGS2020 Stiffnuts - Stripnuts - Countersunk
ADS AGS2017 Stiffnuts - Stripnuts - Countersunk
ADS AS8659 Self-Locking Nuts, Double Lug Floating Anchor, CR Steel, 125,000lbf/in2 250°C
ADS AS8431 Packing Plates - Plain for use with B.S. A.125-201 - Double Anchor Stiffnuts

IN-BIS

IS 7939-1976 Flare Nut Wrench Specifications Double Head Flat Head
IS 2232-1967 Specification for slotted and castellated nuts
IS 3468-1991 Pipe nuts—Specifications
IS 901-1988 Specification for double male and double female instantaneous couplings for fire protection

PL-PKN

PN M61296-1985 Tooling Union nuts for stud bolts
PN M61374-1988 Tooling Union nuts for stud bolts
PN M73171-1965 Hydroulic drive and control equipment Double-nutted bolts
PN M73175-1965 Hydraulic drive and contr ol equipment Double nutted bolts

U.S. Military Regulations and Norms

ARMY A-A-57174-1992 NUT, CAP, DUAL WHEEL MOUNTING

Standards Norway

NS 1827:1972 Hexagon nuts with double chamfer, metric
NS 1826:1968 Hexagon nuts with double chamfer, metric
NS 1828:1968 Hexagon nuts with double chamfer, metric
NS 1827:1968 Hexagon nuts with double chamfer, metric

Swedish Institute for Standards

SS-EN 3538:2010 Aerospace series - Nuts, anchor, self-locking, fixed, two lug, reduced series, with counterbore, in heat resisting steel, MoS2 lubricated - Classification: 1 100 MPa (at ambient temperature)/315 degrees Celsius
SS-EN 2680:2006 Aerospace series - Nuts, anchor, self-locking, floating, self-aligning, two lug, in alloy steel, cadmium plated, MoS2 lubricated - Classification: 900 MPa (at ambient temperature) / 235 oC
SS-EN 4084:2009 Aerospace series - Nuts, anchor, self-locking, fixed, two lug, with counterbore, in alloy steel, cadmium plated, MoS2 lubricated - Classification: 1 100 MPA (at ambient temperature) / 235 degrees Celsius
SS-EN 2881:2006 Aerospace series - Nuts, anchor, self-locking, fuel resistant, sealing, floating, two lug, with counterbore, in corrosion resisting steel, passivated, MoS2 lubricated - Classification: 900 MPa (at ambient temperature) / 120 oC
SS-EN 2879:2017 Aerospace series - Nuts, anchor, self-locking, air resistant, sealing, floating, two lug, with counterbore, in corrosion resisting steel, passivated, MoS2 lubricated - Classification: 900 MPa (at ambient temperature) / 235 °C
SS-EN 4269:2023 Aerospace series - Nuts, anchor, self-locking, floating, two lug, reduced series, with counterbore, in steel, cadmium plated, MoS2 lubricated - Classification: 1 110 MPa (at ambient temperature)/235 °C
SS-EN 2865:2009 Aerospace series - Nuts, anchor, self-locking, floating, two lugs, with counterbore, in heat resisting steel, MoS2 lubricated - Classification : 1 100 MPa (at ambient temperature) / 315 degrees Celsius
SS-EN 3537:2010 Aerospace series - Nuts, anchor, self-locking, fixed, two lug, with counterbore, in heat resisting steel, MoS2 lubricated - Classification: 1 100 MPa (at ambient temperature)/315 degrees Celsius
SS-EN 3435:2010 Aerospace series - Nuts, anchor, self-locking, floating, two lug, reduced series, with counterbore, in heat resisting steel, MoS2 lubricated - Classification: 1 100 MPa (at ambient temperature) /315 degrees Celsius
SS-EN 4126:2010 Aerospace series - Nuts, anchor, self-locking, floating, two lug, reduced series, with incremental counterbore, in heat resisting steel, MoS2 lubricated - Classification: 900 MPa (at ambient temperature) / 315 degrees Celsius
SS-EN 2856:2006 Aerospace series - Nuts, anchor, self-locking, fixed, closed corner, reduced series, with counterbore - Classification: 1 100 MPa/235 oC

AIA/NAS - Aerospace Industries Association of America Inc.

NAS444-1951 Nut - Double Lug Anchor Type (Rev 2)
NAS1759-2011 NUT@ SELF-LOCKING@ DOUBLE HEXAGON@ SHEAR@ 450 °F (Rev 2)
NAS1759-2016 NUT@ SELF-LOCKING@ DOUBLE HEXAGON@ SHEAR@ 450 °F (Rev 3)
NASM3214-2011 NUT@ PLAIN@ CLINCH@ FLUSH (Rev 1)
NASM3214-2015 NUT@ PLAIN@ CLINCH@ FLUSH (Rev 2)
NAS681-1974 Nuts@ Self-Locking@ Plate-Two Lug@ Low Height@ Csk (Rev 10)

Gosstandart of Russia

GOST 10112-1980 Double-ended spanners. Dimensions of spans
GOST 10112-2001 Double-ended wrenches. Size pairing
GOST 2839-1980 Double-ended open spanners. Construction and dimensions
GOST 1759.0-1987 Bolts, screws, studs and nuts. Specifications
GOST 2906-1980 Double-ended bent ring spanners. Construction and dimensions
GOST 25789-1983 Double-head hexagon socket wrenches. Basic dimensions

Association Francaise de Normalisation

NF L22-547:1975 Self-locking anchor nuts, single lug with two holes. Sim thread (rech.).
NF L22-533:1975 Self-locking anchor nuts, countersunk type, two lugs. Sim thread (rech.).
NF L22-552:1985 Self-locking anchor nuts, single lug with two holes. Classification 900 MPa/235 degrees C and 425 degrees C. ISO thread.
NF ISO 1085:2017 Operating tools for screws and nuts - Double tightening wrenches - Matching openings
NF E74-305:2001 Assembly tools for screws and nuts - Double-ended wrenches - Size pairings.
NF L22-587:2000 Aircraft bolts and nuts - Nuts, anchor, self-locking, two lug, with counterbore, ISO M or ISO MJ threads, in corrosion resisting steel, silver plated - Classification : 1 100 MPa (at ambient temperature) / 425 oC.
NF E74-305*NF ISO 1085:2017 Assembly tools for screws and nuts - Double-ended wrenches - Size pairing
NF ISO 10102:2018 Operating tools for screws and nuts - Double open-end wrenches - External dimensions
NF L22-551:1985 Self-locking anchor nuts, two lugs classification 900 MPa/235 degrees C and 425 degrees C. ISO thread.
NF F50-501:1993 Railway fixed equipment. Specifications for track bolts and nuts.
NF L22-567:1999 Aircraft bolts and nuts. Nuts, anchor, self-locking, two lug, with counterbore, ISO M threads, in steel, cadmium plated, MoS2 lubricated. Classification : 1100 MPa (at ambient temperature)/235 degrees Celsius.
NF L22-525:2001 Aircraft bolts and nuts - Nuts, bihexagonal, self-locking, ISO M threads, fine pitch threads, in steel, cadmium plated, MoS2 lubricated - Classification : 1 100 MPa (at ambiant temperature) / 235 oC
NF E74-310:1991 Assembly tools for screws and nuts. Open-end double head engineers wrenches. Lengths. Thickness of heads.
NF L22-575:1977 SELF-LOCKING ANCHOR NUTS,FLOATING TYPE,TWO LUGS,DEEP COUNTERBORE IN CADMIUM-PLATED 25 CD 4 S STEEL. ISO THREAD.

British Standards Institution (BSI)

BS A 324:1998 Nuts, bihexagonal, self-locking, MJ threads, classifications: 1100 MPa (at ambient temperature)/425°C, 1100 MPa (at ambient temperature)/650°C, 1210 MPa (at ambient temperature)/425°C, 1210 MPa (at ambient temperature)/730°C, 1550 MPa (at ambient t...
BS A 342:1999 Nuts, plain or slotted (castellated). Procurement specification
BS EN 2752:1990 Specification for nuts, anchor, self locking fixed, two lug, reduced series, with counterbore - Classification: 1100 MPa/235 °C
BS ISO 1085:2000 Assembly tools for screws and nuts - Double-ended wrenches - Size pairing
BS ISO 1085:1999 Assembly tools for screws and nuts - Double-ended wrenches - Size pairing
BS ISO 1085:2016 Assembly tools for screws and nuts. Double-ended wrenches. Size pairing
BS A 327:1998 Nuts, bihexagonal, self-locking, with counterbore and MJ threads, classifications: 1100 MPa (at ambient temperature)/425°C, 1100 MPa (at ambient temperature)/650°C, 1210 MPa (at ambient temperature)/425°C, 1210 MPa (at ambient temperature)/730°C, 1...
BS 7764:1994 Specification for hexagon slotted nuts and castle nuts
BS 57:1951 Specification. B.A. screws bolts and nuts
BS 57:1951(1999) Specification for B.A. Screws bolts and nuts
25/30482165 DC BS ISO 9139 Aerospace — Nuts, plain or slotted (castellated) — Procurement specification
BS 1127-5:1990 Screwing dies and dienuts. Specification for dimensions of hexagon dienuts

Defense Logistics Agency

DLA MS9766 REV B VALID NOTICE 1-1994 NUT, DOUBLE HEXAGON, CUPWASHER LOCKED, AMS 5737, CRES
DLA MS9766 REV B (1)-2002 NUT, DOUBLE HEXAGON, CUPWASHER LOCKED, AMS 5737, CRES
DLA MS9766 REV B-1972 NUT, DOUBLE HEXAGON, CUPWASHER LOCKED, AMS 5737, CRES
DLA MS9767 REV B VALID NOTICE 2-2001 NUT, DOUBLE HEXAGON - CUPWASHER LOCKED, AMS 6322, CADMIUM PLATED MIL-S-8879
DLA MS9767 REV B-1983 NUT, DOUBLE HEXAGON - CUPWASHER LOCKED, AMS 6322, CADMIUM PLATED MIL-S-8879
DLA MS9767 REV B REINST-1983 NUT, DOUBLE HEXAGON - CUPWASHER LOCKED, AMS 6322, CADMIUM PLATED MIL-S-8879

International Organization for Standardization (ISO)

ISO 10102:1990 Assembly tools for screws and nuts — Double-headed open-ended engineers' wrenches
ISO 10102:2018 Assembly tools for screws and nuts - Double-headed open-ended engineers' wrenches - Outside dimensions
ISO 1085:1986 Assembly tools for screws and nuts; Double-ended wrenches; Size pairing
ISO 3225:1985 Aerospace; Self-locking, fixed, two lug anchor nuts, reduced series, with counterbore, strength classification 1 100 MPa and maximum operating temperature 235 degrees C
ISO 1085:1999 Assembly tools for screws and nuts - Double-ended wrenches - Size pairing
ISO 1085:2016 Assembly tools for screws and nuts - Double-ended wrenches - Size pairing

IT-UNI

UNI 3740-P4-1974 Steel bolts and nuts. Technical regulations. Strength classes and nut test methods
UNI 3740-P5-1974 Steel bolts and nuts. Technical regulations. Identification symbol
UNI 3740-P1-1974 Steel bolts and nuts. Technical regulations. General rules
UNI 3740-P9-1974 Steel bolts and nuts. Technical regulations. Package
UNI 3740-P8-1974 Steel bolts and nuts. Technical regulations. acceptance
UNI 7323-P5-1975 Bolts and nuts with special properties. Technical regulations, steel automatic brake nuts
UNI 5418-1964 Metric threads; nuts and bolts; metric threads with diameter ≥1.6mm and pitch ≥0.35mm; transition to ISO regulations for nuts and bolts
UNI 3740-P7-1974 Steel bolts and nuts. Technical regulations. hot zinc coating
UNI 3740-P2-1974 Steel bolts and nuts. Technical regulations. Grading and bias
UNI 7323-P1-1974 Bolts and nuts with special properties. General technical regulations

Magyar Szabványügyi Testület

MSZ 4555-1977 Grinding wheel specifications for fixing nuts
MSZ KGST 601-1977 Specifications of screw beads that can be fixed
MNOSZ 3008-1954 Minecart fixing nut
MSZ 2443-1957 Four-sided fixing nut
MSZ 229/2-1979 Technical requirements for nut springs. Nut stability testing

Spanish Association for Standardization (UNE)

UNE 16586:2002 Assembly tools for screws and nuts. Socket wrenches, double end. Technical specifications and tests.
UNE 16-521-1990 Tools for operating screws and nuts. Double-port molded fixed wrench. Features and Tests
UNE 16505:2000 Assembly tools for screws and nuts. Double-ended wrenches. Size pairing.
UNE 16595:2001 Assembly tools for screws and nuts. Socket wrench, double end, flex head. Technical specifications and tests.
UNE-ISO 1085:2008 Assembly tools for screws and nuts. Double-ended wrenches. Size pairing.
UNE 16521:2002 Assembly tools for screws and nuts. Double-headed open-ended engineers' wrenches. Technical specifications and tests.
UNE 16545:2002 Assembly tools for screws and nuts. Double-headed, flat and offset, box wrenches. Technical specifications and tests.

Aerospace Industries Association

AIA NAS 444-1951 (Inactive)Nut - Double Lug Anchor Type (Rev. 2)

AT-ON

ONORM ISO 1085:1988 Assembly tools for screws and nuts; double-ended wrenches; size pairing

Danish Standards Foundation

DS/ISO 225:1984 Fasteners. Bolts, screws, studs and nuts. Symbols and designations of dimensions
DS/EN 28 839:1992 Mechanical properties of fasteners - Bolts, screws, studs and nuts made of non-ferrous metals

Ente Nazionale Italiano di Unificazione

UNI 5023:1962 Machine thermometers for naval use. Double case thermometers. Nut, lid, ring nut and spring.
UNI ISO 1085:2005 Assembly tools for screws and nuts - Double-ended wrenches - Size pairing
UNI ISO 1085:2018 Assembly tools for screws and nuts -- Double-ended wrenches -- Size pairing
UNI EN 2856:2007 Aerospace series - Nuts, anchor, self-locking, fixed, closed corner, reduced series, with counterbore - Classification: 1 100 MPa/235 °C
UNI ISO 10102:2023 Assembly tools for screws and nuts - Double-headed open-ended engineers' wrenches - Outside dimensions
UNI 6737:1997 Assembly tools for screws and nuts. Little double ended open jaw wrenches.
UNI 6736:1994 Assembly tools for screws and nuts. Double-headed open-ended engineers- wrenches
UNI 6746:1997 Assembly tools for screws and nuts. Double ended tubular box wrenches, light series.

Kingdom of Bahrain Testing and Metrology Directorate

BH GSO ISO 1085:2024 Assembly tools for screws and nuts — Double-ended wrenches — Size pairing

RO-ASRO

STAS 11006-1990 Assembly tools screws and nuts. Flat double end flare nut wrench. Dimensions
STAS 11005-1989 Assembly tools for screws and nuts FLEX HEAD DOUBLE END SOCKET WRENCH Dimensions
STAS 4885-1989 Assembly tools for screws and nuts. Tubular double end socket tee wrench. Dimensions

Standard Association of Australia （SAA）

AS 2528:1982 Bolts, studbolts and nuts for flanges and other high and low temperature applications

VN-TCVN

TCVN 7855-2007 Assembly tools for screws and nuts.Double-ended wrenches.Size pairing

GCC Standardization Organization

GSO ISO 1085:2024 Assembly tools for screws and nuts — Double-ended wrenches — Size pairing

CZ-CSN

CSN ISO 1085:1994 Assembly tools for screws and nuts Double-ended wrenches Size pairing
CSN 02 1005 Cast.5-1984 Bolts, serews and nuts - technical spe-cif ícations. Set serews and similar thread-ed fasteners not under tensile stresses

European Association of Aerospace Industries

AECMA PREN 2264-1982 Nuts, Anchor, Self Locking Two Lug, Floating Incremental Counterbore Classification 1100 MPa/235 Degrees Celsius
AECMA PREN 3751-1996 Aerospace Series Nuts, Anchor, Self-Locking, Fixed, Closed Corner, Reduced Series, with Counterbore, in Heat Resisting Steel, MoS2 Lubricated Classification : 1 100 MPa (at Ambient Temperature)/315 Degrees C Edition P 2
AECMA PREN 3754-1993 Aerospace Series Nuts, Anchor, Self-Locking, Fixed, 60 Degrees Corner, With Counterbore, in Heat Resisting Steel, MoS2 Lubricated Classification : 1 100 MPa (at Ambient Temperature) / 315 Degrees C Edition P 1; Corrigendum 05/10/1993

TR-TSE

TS 80-1963 SCREWS, SET SCREWS, SPIKES AND NUTS

Aerospace Industries Association/ANSI Aerospace Standards

AIA/NAS NAS1759-2011 NUT, SELF-LOCKING, DOUBLE HEXAGON, SHEAR, 450 °F (Rev 2)

Others: nut regulation,Double Nut Provisions,nut regulation