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 6220-01-063-8238
NSN 5965-00-175-5664
NSN 6105-00-823-2009
NSN 5905-00-231-0316
NSN 5915-01-456-5374
NSN 5960-01-495-0859
NSN 5835-00-145-8926
NSN 2925-00-802-1418
NSN 6620-00-240-8766
NSN 7035-01-507-2590
NSN 5999-00-576-9942
NSN 2925-01-141-7563