MIL-B-85643/4 Complete Document History
Bit, Screwdriver, TORQ-Set, Ribbed, Offset Cruciform, Long Shank, External Hexagon Shank (Superseded by NASM-85643/4)


Obsolete Revision Information:
   CANCELLATION NOTICE 1 - CANCELLATION NOTICE 1 FOR BASE - June 30, 1998
   BASE - Bit, Screwdriver, Torq-Set, Ribbed, Offset Cruciform, Long S - March 18, 1987