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 6620-01-365-1499
NSN 6645-01-160-4256
NSN 5835-01-094-2662
NSN 5996-01-398-8197
NSN 5925-01-202-9277
NSN 7035-01-445-3563
NSN 6145-01-323-9631
NSN 5905-00-679-4721
NSN 6220-00-896-6239
NSN 6620-00-122-8136
NSN 5999-01-092-6915
NSN 6240-01-558-8446