MIL-V-27296 Complete Document History
Valve, Oxygen Mask, Combination Inhalation and Exhalation

Complete Current Edition:
   REVISION C - Valve, Oxygen Mask, Combination Inhalation and Exhalation - Oct. 28, 1993
   REV C REACTIVATION 2 - REACTIVATION NOTICE 2 FOR REVISION C - Oct. 27, 2014

Obsolete Revision Information:
   REV C INACTIVATION 1 - INACTIVATION NOTICE 1 FOR REVISION C - Feb. 26, 1999
   REVISION B - VALVE, OXYGEN MASK, COMBINATIO - July 25, 1983