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 6105-01-467-8915
NSN 6145-00-793-7816
NSN 6240-00-803-2777
NSN 5895-01-270-0524
NSN 5960-01-604-1158
NSN 5855-01-018-1247
NSN 5930-00-988-7949
NSN 5915-01-370-9762
NSN 6105-01-658-4191
NSN 6650-00-296-4670
NSN 5905-01-444-4920
NSN 6105-01-562-2922