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 5910-00-140-6980
NSN 6220-01-209-9972
NSN 5910-00-421-2919
NSN 6685-01-065-3511
NSN 6620-01-025-4690
NSN 6645-01-360-0293
NSN 5985-00-542-0597
NSN 6105-01-477-2857
NSN 6650-01-524-4589
NSN 5905-01-292-3268
NSN 4140-01-239-6517
NSN 6135-01-327-2092