MIL-V-22687 Complete Document History
Valve, Ball, Naval Shipboard, for Air, Nitrogen, Helium or Hydraulic Service (Size 2 1/2 Inches Ips and Below)

Complete Current Edition:
   REVISION C - VALVE, BALL, NAVAL SHIPBOARD, - March 29, 1988

Obsolete Revision Information:
   AMENDMENT 1 - VALVE, BALL, NAVAL SHIPBOARD, - May 16, 1966
   REVISION B - VALVE, BALL, NAVAL SHIPBOARD, - Oct. 15, 1963