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 6320-01-523-4954
NSN 6645-00-244-0359
NSN 4140-01-032-0718
NSN 6130-01-112-0158
NSN 2925-01-633-4048
NSN 4140-01-262-8498
NSN 6240-01-506-3911
NSN 6645-00-171-9639
NSN 5920-01-562-9513
NSN 6145-01-521-3924
NSN 5945-01-556-9616
NSN 5915-00-926-2471