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: Parts, nesoi, of bearing housings & plain shaft bearings, housed bearings, clutches, universal joints, flywheels and transmission shafts
NSN 5920-01-053-0987
NSN 6320-00-925-0558
NSN 6220-01-090-8593
NSN 5905-00-617-8231
NSN 4140-01-435-7515
NSN 5999-01-620-6427
NSN 5985-01-003-9732
NSN 5950-01-444-8036
NSN 5999-01-342-5594
NSN 4140-01-550-8030
NSN 6105-01-456-8455
NSN 6145-01-463-4075