MS-9520 Complete Document History
Bolt, Machine Steel AMS 6322, Cadmium Plate, Hexagon Head, .3125-24 UNJF-3a (Superseded by SAE as-9520)

Complete Current Edition:
   REVISION A - BOLT, MACHINE STEEL AMS 6322, - May 22, 1986

Obsolete Revision Information:
   BASE - BOLT, MACHINE STEEL AMS 6322, - Feb. 2, 1968