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 5990-01-568-5565
NSN 5999-00-429-4779
NSN 7035-01-293-0322
NSN 5920-00-443-4653
NSN 4140-00-597-5260
NSN 5999-01-320-2287
NSN 5950-00-269-4805
NSN 6240-01-586-9718
NSN 6645-00-143-1567
NSN 6220-01-439-6898
NSN 6150-00-099-6919
NSN 5990-00-800-2521