Self-Locking Nut Standards

These standards from ISO and SAE cover self-locking nut requirements.

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 General Standards for Self-Locking Nuts
 Self-Locking Fixed Nuts
 Self-Locking Floating Nuts
 Self-Locking Clinch Nuts
 Self-Locking Hex and Spline Nuts
 Nickel Alloy Self-Locking Nuts
 Steel Alloy Self-Locking Nuts
 Iron Alloy Self-Locking Nuts

General Standards for Self-Locking Nuts

SAE ARP 1515B-2018
SAE AS 4847B-2018
ISO 12280:1999
ISO 5858:1999
ISO 7481:2023
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Self-Locking Fixed Nuts

ISO 3168:1998
ISO 3191:1998
ISO 3223:1998
ISO 3225:1998
ISO 9156:1998
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Self-Locking Floating Nuts

ISO 12277:2000
ISO 12278:1999
ISO 12272:1998
ISO 12273:2010
ISO 12274:1997
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Self-Locking Clinch Nuts

SAE AS 4389A-2019
SAE AS 3272B-2024
SAE AS 3273B-2024
SAE MA 3274A-2019
SAE MA 3275A-2019
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Self-Locking Hex and Spline Nuts

ISO 13589:1998
ISO 8538:1999
ISO 9157:2002
ISO 9199:1998
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Nickel Alloy Self-Locking Nuts

SAE AS 4417A-2014 (SAE AS4417A-2014)
SAE AS 5878B-2025
SAE AS 7253C-2015 (SAE AS7253C-2015)
SAE MA 1943C-2024
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Steel Alloy Self-Locking Nuts

SAE AS 1371A-2015 (SAE AS1371A-2015)
SAE AS 4726A-2017
SAE AS 4958B-2024
SAE AS 7250E-2024
SAE AS 7251C-2014 (SAE AS7251C-2014)
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Iron Alloy Self-Locking Nuts

SAE AS 4393C-2015 (SAE AS4393C-2015)
SAE AS 5377A-2024
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