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 4140-01-519-9343
NSN 6650-01-633-9147
NSN 5920-01-006-5847
NSN 6610-01-463-8866
NSN 6685-01-655-6321
NSN 6145-01-147-9838
NSN 5998-00-621-4542
NSN 5920-01-551-1295
NSN 5935-01-018-5685
NSN 2925-00-797-1042
NSN 6110-00-853-3103
NSN 5920-01-372-0840