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 5920-01-014-3939
NSN 6320-00-546-9249
NSN 6105-01-044-5405
NSN 5985-00-841-9412
NSN 5960-01-148-0074
NSN 5990-00-891-2049
NSN 5998-00-405-3392
NSN 5998-00-171-6586
NSN 6105-01-644-6864
NSN 5935-00-239-3327
NSN 5965-01-406-6320
NSN 6685-01-619-0609