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 6220-01-642-7904
NSN 6240-00-471-5399
NSN 6620-01-067-8336
NSN 6150-01-206-9149
NSN 6240-00-989-4398
NSN 5965-00-539-4163
NSN 5920-01-323-6369
NSN 5835-01-054-0682
NSN 5905-00-218-0552
NSN 6645-01-537-1066
NSN 6645-00-640-9870
NSN 6685-00-938-3984