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 6240-00-407-1024
NSN 5905-00-353-1659
NSN 6645-00-590-8801
NSN 5920-01-411-1111
NSN 6145-01-211-0774
NSN 6220-01-212-9016
NSN 5935-01-623-1183
NSN 5960-00-729-8150
NSN 6610-01-105-2296
NSN 5975-00-644-4972
NSN 6320-01-449-1014
NSN 5930-01-525-7226