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 6130-01-028-1308
NSN 4140-00-107-8212
NSN 5965-00-568-5802
NSN 6135-01-415-1163
NSN 5960-01-472-5263
NSN 5965-01-617-9182
NSN 5990-00-707-0731
NSN 6105-00-182-5162
NSN 5960-01-504-1892
NSN 5930-00-807-8744
NSN 6320-00-521-9350
NSN 5999-00-409-0361