0.440 in.W hex across flats
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 5835-00-408-5499
NSN 7035-01-359-7460
NSN 6610-01-174-1622
NSN 4140-01-181-4485
NSN 2925-01-113-6904
NSN 5965-00-351-7460
NSN 5996-00-823-8487
NSN 6105-01-182-0436
NSN 7035-00-931-9415
NSN 5985-00-434-4322
NSN 6610-01-605-2451
NSN 5920-01-386-7048