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 6130-01-034-7243
NSN 5910-00-490-2968
NSN 6220-01-359-1593
NSN 5950-01-514-2881
NSN 5996-01-514-7341
NSN 5950-01-525-2812
NSN 5905-01-451-7391
NSN 5960-00-310-3844
NSN 7035-01-429-7954
NSN 5965-00-752-5823
NSN 5910-00-279-7318
NSN 5925-00-328-3885