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 5965-00-698-0433
NSN 5965-01-388-0565
NSN 6135-00-948-7061
NSN 7035-01-527-2560
NSN 5910-01-442-8240
NSN 7035-00-193-2269
NSN 6135-01-186-4010
NSN 5985-01-534-3603
NSN 6620-01-390-9551
NSN 6650-00-078-5773
NSN 5965-01-050-7055
NSN 5999-01-440-0088