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 5915-00-508-1259
NSN 4140-01-614-6668
NSN 4140-01-040-1700
NSN 5945-01-079-7500
NSN 6610-01-033-2402
NSN 5910-01-630-3863
NSN 5915-00-722-6901
NSN 5975-01-060-4903
NSN 5999-00-187-2767
NSN 5975-00-914-5242
NSN 5965-00-677-1461
NSN 6130-00-729-9669