A mechanical device designed to permit a free flow of air into and out of an enclosure, usually used on engine crankcase, vehicular differentials and transmissions, pumps, compressors, and the like. see also cap, vent, fuel storage tank. excludes ventalator (as modified).
Classification: Pressure-reducing valves, pneumatic fluid power type, filter-regulators and filter-regulator-lubricators
NSN 5960-01-268-4356
NSN 5945-00-238-0716
NSN 5905-01-623-5584
NSN 6650-01-065-4748
NSN 6620-01-462-1625
NSN 6685-01-619-4152
NSN 5999-01-410-2867
NSN 5960-00-921-5805
NSN 5999-01-400-5933
NSN 5975-00-455-6300
NSN 6620-01-512-2016
NSN 6130-01-096-5265