AS7251C Nuts, Self-Locking, Steel, Corrosion and Heat Resistant High Strength, All Metal 1200 °F Use, UNJ Thread Form

Reaffirmed

01/23/2026

Features
Issuing Committee
Scope
Content
This document covers all metal, self-locking wrenching nuts, plate nuts, shank nuts, and gang channel nuts made from a corrosion and heat resistant steel of the type identified under the Unified Numbering System as UNS S66286 and of 160 ksi tensile strength at room temperature, with maximum test temperature of parts at 1200 °F.
Meta TagsDetails
DOI
https://doi.org/10.4271/AS7251C
Pages
24
Citation
SAE International Technical Standard, Nuts, Self-Locking, Steel, Corrosion and Heat Resistant High Strength, All Metal 1200 °F Use, UNJ Thread Form, SAE Standard AS7251C, Reaffirmed January 2026, Revised August 2014, Issued October 1991, https://doi.org/10.4271/AS7251C.
Additional Details
Publisher
Published
24 hours ago
Product Code
AS7251C
Content Type
Technical Standard
Status
Reaffirmed
Language
English

Revisions