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 6145-01-359-4691
NSN 6650-01-517-4412
NSN 6130-01-022-4884
NSN 5999-01-483-0808
NSN 5960-00-443-9452
NSN 6620-00-072-1927
NSN 6320-01-466-4175
NSN 5996-00-701-9550
NSN 5975-00-391-6357
NSN 5895-00-008-8272
NSN 6105-01-420-7561
NSN 5960-00-224-6828