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 6240-01-367-6561
NSN 6130-01-440-6527
NSN 5835-00-909-8088
NSN 6320-01-268-3072
NSN 6110-01-466-3581
NSN 5999-01-440-9115
NSN 6685-01-654-1935
NSN 5835-01-117-6124
NSN 6150-00-265-7799
NSN 5835-01-005-2836
NSN 6105-00-906-8101
NSN 6685-01-212-8090