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 6650-01-145-5173
NSN 6685-00-934-0787
NSN 6110-00-096-7643
NSN 7035-00-884-8366
NSN 6145-00-896-1893
NSN 5945-01-350-1997
NSN 6620-01-502-9104
NSN 6620-00-703-4260
NSN 5920-00-483-1597
NSN 6150-00-459-3205
NSN 5998-00-923-3369
NSN 6135-00-862-5154