MIL-PRF-7605F, PERFORMANCE SPECIFICATION: REGULATOR, OXYGEN, DEMAND, PRESSURE BREATHING, TYPE A-21 (20 NOV 1997) [SUPERSEDING MIL-R-7605E]

MIL-PRF-7605F, PERFORMANCE SPECIFICATION: REGULATOR, OXYGEN, DEMAND, PRESSURE BREATHING, TYPE A-21 (20 NOV 1997) [SUPERSEDING MIL-R-7605E]., This specification covers a portable, demand, pressure breathing, oxygen regulator designated Type A-21.