MIL-R-9494 Complete Document History
Regulator, Oxygen, Diluter Demand, Automatic Pressure Breathing, High Pressure, Type Mb&2 (See Usaf Dwg 55D3787 and Specification MIL&R&25572)


Obsolete Revision Information:
   NOT - REGULATOR, OXYGEN, DILUTER DEM - March 18, 1963
   REVISION A - REGULATOR, OXYGEN, DILUTER DEM - Jan. 1, 1960