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 5910-01-254-2799
NSN 6620-01-250-7445
NSN 6220-01-595-0707
NSN 4140-01-025-1555
NSN 6135-01-068-0119
NSN 5935-00-368-2766
NSN 6645-01-411-5657
NSN 6320-00-371-8335
NSN 6645-01-650-5735
NSN 5925-01-042-8668
NSN 5999-01-408-1912
NSN 5920-00-679-7852