MIL-PRF-27210H, PERFORMANCE SPECIFICATION: OXYGEN, AVIATOR'S BREATHING, LIQUID AND GAS (01 OCT 2009) [SUPERSEDING MIL-O-27210F]

MIL-PRF-27210H, PERFORMANCE SPECIFICATION: OXYGEN, AVIATOR'S BREATHING, LIQUID AND GAS (01 OCT 2009) [SUPERSEDING MIL-O-27210F]., This specification is approved for use by all Departments and Agencies of the Department of Defense. This specification covers the requirements for two types of aviator's breathing oxygen.