AS-7251 Complete Document History
Nuts, Self-Locking, Steel, Corrosion and Heat Resistant High Strength, All Metal 1200 °F Use, UNJ Thread Form

Complete Current Edition:
   REVISION C R20 - REAFFIRMED IN 2020 - Feb. 3, 2020

Obsolete Revision Information:
   REVISION C - Nuts, Self-Locking, Steel, Corrosion and Heat Resistant High Strength, All Metal 1200 F Use, UNJ Thread Form - Aug. 20, 2014
   REVISION B R06 - REAFFIRMED IN 2006 - Oct. 1, 2006
   REVISION B - Nuts, Self-Locking, Steel, Corrosion and Heat Resistant High - Oct. 1, 2001
   REVISION A - Nuts, Self-Locking, Steel, Corrosion and Heat Resistant High - Oct. 1, 1996
   BASE - Nuts, Self-Locking, Steel, Corrosion and Heat Resistant High - Oct. 30, 1991