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 5985-01-290-4853
NSN 6240-01-453-5036
NSN 5910-01-553-0190
NSN 6620-01-508-1996
NSN 6240-00-890-4776
NSN 5950-00-954-8158
NSN 6145-01-479-4524
NSN 5990-01-193-0487
NSN 5905-00-678-5061
NSN 5996-01-580-0582
NSN 5960-00-239-3054
NSN 6645-00-557-0322