MS-9638 Complete Document History
Bolt, Machine - Hexagon Head, Pd Shank, Titanium AMS 4967, .500-20 UNJF-3a (Superseded by SAE as-9638)

Complete Current Edition:
   REVISION B - BOLT, MACHINE - HEXAGON HEAD, - Nov. 9, 1984
   VALIDATION NOTICE 1 - BOLT, MACHINE - HEXAGON HEAD, - Oct. 4, 1991

Obsolete Revision Information:
   REVISION A - BOLT, MACHINE - HEXAGON HEAD, - Dec. 21, 1983
   BASE - BOLT, MACHINE - HEXAGON HEAD, - March 3, 1970