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 6685-01-486-5393
NSN 5930-01-033-6506
NSN 6130-01-436-2650
NSN 6110-00-489-8810
NSN 6105-01-641-7015
NSN 6320-00-557-3079
NSN 5935-00-357-0380
NSN 6320-00-164-4087
NSN 5990-01-621-6969
NSN 5835-01-169-5330
NSN 6110-01-090-0417
NSN 5998-01-350-3411