FED-STD-H28/1 Complete Document History
Screw Thread Standards for Federal Services, Section I, Nomenclature, Definitions & Le

Complete Current Edition:
   REVISION B - Screw-Thread Standards for Federal Services Section 1 Nomenclature, Definitions and Letter Symbols for Screw Threads - April 21, 2020

Obsolete Revision Information:
   REV A VALIDATION 2 - VALIDATION NOTICE 2 FOR REVISION A - Sept. 12, 2019
   REV A VALIDATION 1 - VALIDATION NOTICE 1 FOR REVISION A - Sept. 12, 1990
   REVISION A - Screw Thread Standards for Federal Services, Section I, Nomenclature, Definitions and Le - Aug. 28, 1985