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 5999-01-296-9859
NSN 5999-01-454-0048
NSN 5975-01-483-3228
NSN 5960-01-151-4518
NSN 5835-00-152-5516
NSN 5920-00-066-6885
NSN 6610-01-649-5326
NSN 6645-01-473-9179
NSN 5855-01-246-4274
NSN 6145-01-169-1683
NSN 5930-01-489-5397
NSN 6685-00-279-3620