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 5996-01-437-8824
NSN 5930-01-188-0294
NSN 2925-01-030-3598
NSN 5960-01-021-7207
NSN 6240-01-433-8639
NSN 6320-00-521-9350
NSN 7035-00-009-8705
NSN 6135-01-255-4786
NSN 6135-01-177-3552
NSN 6320-01-512-2031
NSN 6645-00-505-6026
NSN 6610-01-444-4001