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 4140-00-044-1329
NSN 5985-00-100-4902
NSN 6220-00-318-1742
NSN 6650-01-239-2759
NSN 4140-00-143-4772
NSN 4140-01-032-3705
NSN 5999-01-600-2644
NSN 6620-01-633-8443
NSN 5985-00-173-9350
NSN 5999-01-272-8221
NSN 5905-01-041-0672
NSN 6610-00-484-9964