Weapon system essential
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 6610-01-202-0371
NSN 7035-01-505-5979
NSN 5855-00-252-5743
NSN 6620-01-122-8886
NSN 5920-01-498-4690
NSN 5895-00-767-5397
NSN 6150-00-408-0875
NSN 5990-01-032-5160
NSN 6150-01-287-4018
NSN 5835-01-408-7576
NSN 6610-01-272-2987
NSN 6150-01-505-5756