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 5910-01-342-1190
NSN 5920-01-164-8260
NSN 6130-01-191-1959
NSN 6240-01-648-5893
NSN 6130-01-124-9172
NSN 6645-00-382-8994
NSN 6145-01-240-3909
NSN 6620-01-659-1256
NSN 5998-01-345-7868
NSN 5945-00-593-1736
NSN 6620-00-959-6614
NSN 5930-00-317-7879