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 5920-00-050-4976
NSN 5920-00-203-5938
NSN 5930-01-013-0048
NSN 5855-01-093-8202
NSN 5910-01-413-7915
NSN 5895-01-127-1138
NSN 5930-00-864-8018
NSN 6620-00-433-9438
NSN 6645-01-646-2953
NSN 6220-00-851-2307
NSN 5930-01-254-0160
NSN 2925-01-463-3899