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 6320-01-616-0843
NSN 5920-01-595-2253
NSN 6105-01-225-0217
NSN 5996-00-185-1372
NSN 6220-01-621-9991
NSN 6110-01-143-7912
NSN 5935-00-889-2646
NSN 5985-00-429-2037
NSN 5910-01-495-0271
NSN 6645-00-339-0318
NSN 6320-01-521-1764
NSN 5990-01-652-7373