MIL-H-22881 › Complete Document History
Heater Systems, Water, Steam Heated Non-Storage Type

Complete Current Edition:
   REVISION E - Heater Systems, Water, Steam Heated Non-Storage Type - May 5, 1995
   REV E INACTIVATION 1 - INACTIVATION NOTICE 1 FOR REVISION E - July 10, 1999
   REV E VALIDATION 2 - VALIDATION NOTICE 2 FOR REVISION E - April 22, 2014
   REV E VALIDATION 3 - VALIDATION NOTICE 3 FOR REVISION E - March 7, 2019

Obsolete Revision Information:
   REVISION D - HEATER SYSTEMS, WATER, STEAM H - Oct. 13, 1971