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 6130-00-097-9475
NSN 5990-01-434-7913
NSN 6645-00-183-8812
NSN 6610-01-182-1182
NSN 6320-01-371-3047
NSN 5945-01-382-4911
NSN 5998-00-005-6908
NSN 5925-00-806-5341
NSN 6130-00-740-3884
NSN 6150-01-155-4905
NSN 6685-01-107-0433
NSN 5920-01-463-3927