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 5999-00-904-4210
NSN 5999-00-539-6138
NSN 6145-00-191-3903
NSN 6150-00-514-0899
NSN 6240-01-609-1699
NSN 6220-01-206-1014
NSN 6105-01-437-6431
NSN 5975-01-228-2426
NSN 6620-01-201-3427
NSN 6650-01-365-7661
NSN 5835-01-435-4139
NSN 5855-01-562-7562