MIL-B-23990 › Complete Document History
Blocks, Tackle, Wire Rope, Extra Heavy Duty (No Superseding Document)


Obsolete Revision Information:
   REV C CANCELLATION 1 - BLOCK, TACKLE, WIRE ROPE, EXTR - July 5, 1991
   REVISION C - Blocks, Tackle, Wire Rope, Extra Heavy Duty - Sept. 18, 1984