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 5835-01-116-2369
NSN 2925-01-325-3974
NSN 6150-01-575-9064
NSN 6645-00-246-4934
NSN 5945-00-666-4700
NSN 5935-01-013-8480
NSN 5915-01-079-7404
NSN 5996-01-141-5435
NSN 6610-01-645-0331
NSN 5998-01-250-7924
NSN 5920-01-412-4742
NSN 6650-01-388-4363