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 6105-01-485-4680
NSN 5990-01-507-7495
NSN 5855-01-184-8089
NSN 6135-00-309-0074
NSN 6150-00-822-4396
NSN 6240-01-627-7610
NSN 5855-01-575-3154
NSN 4140-01-340-0675
NSN 5930-00-508-1905
NSN 2925-00-609-8180
NSN 6685-01-246-8336
NSN 6320-00-456-2092