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 5975-01-469-7981
NSN 6220-01-359-5296
NSN 5996-01-432-6124
NSN 5920-01-426-8517
NSN 5855-00-762-4833
NSN 6610-00-985-3623
NSN 5835-01-123-8305
NSN 6320-00-646-3311
NSN 6645-01-375-8176
NSN 5990-00-893-0957
NSN 6110-01-431-6906
NSN 6150-01-003-1054