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 6620-01-201-4176
NSN 5930-01-241-5472
NSN 6320-01-447-4289
NSN 5905-00-279-3720
NSN 5905-01-010-4619
NSN 5950-01-395-2478
NSN 6685-01-456-1712
NSN 6130-01-199-8619
NSN 6150-00-954-8625
NSN 7035-00-417-2967
NSN 6145-01-026-9085
NSN 5855-01-495-2670