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 6620-00-018-2196
NSN 5985-01-055-4064
NSN 5835-01-524-4731
NSN 5930-01-246-5112
NSN 5965-00-973-9974
NSN 5945-00-198-9941
NSN 5930-01-186-4330
NSN 6320-01-441-2438
NSN 5905-01-383-1364
NSN 6130-01-658-6944
NSN 6220-00-726-7971
NSN 6220-00-409-6784