Browse Standards AS7250C
Historical Revised 2008-12-19

Nuts, Self-Locking, Steel, Corrosion and Heat Resistant High Strength, All Metal 1200 °F Use, UN Thread Form AS7250C

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.

For use up to approximately 1200 °F where high strength nuts with UN thread form are required for use with 0.003 inch reduced pitch diameter threaded bolt.

AS7250D
2013-12-10
Latest
Revised
AS7250C
2008-12-19
Historical
Revised
AS7250B
2006-10-11
Historical
Reaffirmed
AS7250A
1996-10-01
Historical
Revised
AS7250
1991-12-23
Historical
Issued

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