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 5905-00-529-6999
NSN 5999-00-284-3440
NSN 6645-01-007-2063
NSN 6130-01-471-5673
NSN 5915-01-081-5089
NSN 6150-01-153-7355
NSN 6650-00-150-6885
NSN 5855-01-615-6200
NSN 5895-01-524-5529
NSN 6240-00-616-4029
NSN 6320-01-386-3491
NSN 2925-01-243-0328