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 5999-01-475-7869
NSN 6610-01-431-8575
NSN 5925-00-818-4811
NSN 6610-01-534-2147
NSN 5930-00-960-8230
NSN 6145-01-544-8461
NSN 5930-01-607-6620
NSN
NSN 6105-00-815-0877
NSN 6110-00-812-0226
NSN 6240-01-262-4490
NSN 6650-01-555-8819