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 5975-01-146-6395
NSN 5975-00-062-4758
NSN 7035-01-578-6909
NSN 5915-00-890-0929
NSN 5945-01-614-3989
NSN 4140-00-099-9205
NSN 5910-01-363-9908
NSN 5925-00-295-6255
NSN 6645-00-072-9243
NSN 6685-01-553-6020
NSN 5998-01-553-3344
NSN 6110-01-657-4249