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 5998-01-072-8387
NSN 6610-00-572-8786
NSN 2925-01-063-7876
NSN 6685-01-386-3110
NSN 5920-01-353-2487
NSN 7035-00-941-4949
NSN 2925-01-394-5650
NSN
NSN 6105-01-484-2167
NSN 6610-01-072-3447
NSN 7035-01-609-7341
NSN 5998-01-608-5957