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 5999-01-550-5642
NSN 6650-01-202-9143
NSN 5990-00-883-9721
NSN 5835-01-511-2072
NSN 5915-01-457-6068
NSN 5960-00-494-8937
NSN 5925-01-258-4640
NSN 5895-01-398-1057
NSN 5920-00-276-8657
NSN 6650-01-440-0767
NSN 5910-00-248-5359
NSN 6645-01-216-1956