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 4140-00-603-5074
NSN 5960-01-567-1096
NSN 5910-01-560-4230
NSN 5975-00-174-3560
NSN 6150-00-294-6461
NSN 5835-01-074-1161
NSN 6685-01-221-0209
NSN 6130-00-810-8287
NSN 5985-01-444-4578
NSN 5910-01-283-6161
NSN
NSN 5985-01-225-9911