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 5935-01-178-9597
NSN 5905-01-147-9370
NSN 6145-01-588-6850
NSN 5965-01-311-5846
NSN 5905-01-134-5241
NSN 5915-01-142-0387
NSN 7035-01-106-3476
NSN 5855-01-501-5683
NSN 5915-00-234-4286
NSN 5915-01-495-3675
NSN 6240-00-434-3771
NSN 6105-01-523-2427