An item designed to purify the air against chemical-biological contaminants. It can be used in the respiratory system of aircrew personnel or wearers of a chemical-biological protective suit. An extra filter may be attached to the helmet of the protective suit or to the parachute harness to be used during emergencies.
NSN 6645-01-316-2183
NSN 7035-01-245-7973
NSN 4140-01-143-7784
NSN 6685-01-384-0877
NSN 5905-01-297-8659
NSN 5895-01-371-2688
NSN 5895-01-445-7893
NSN 6105-01-488-4917
NSN 5925-01-208-8010
NSN 4140-00-820-1173
NSN 5930-01-328-7970
NSN 6220-01-541-2851