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 5990-01-050-7535
NSN 6135-01-514-5358
NSN 6130-00-394-6555
NSN 5998-01-382-2087
NSN 5925-01-312-8746
NSN 5915-01-398-0633
NSN 6150-01-417-3512
NSN 6110-01-180-5097
NSN 6620-01-050-2866
NSN 6130-00-905-9936
NSN 5965-01-095-1926
NSN 6220-00-068-1000