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 5915-00-584-3512
NSN 6645-01-180-6219
NSN 6685-01-384-2451
NSN 6110-01-447-6813
NSN 5975-01-187-7744
NSN 5930-00-887-9984
NSN 6610-00-141-7000
NSN 6645-01-152-1092
NSN 6220-01-629-9142
NSN 6620-01-122-0238
NSN 5835-00-513-9680
NSN 6620-01-519-7234