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 5905-01-253-2745
NSN 6145-00-705-6686
NSN 5925-01-459-0646
NSN 6620-01-378-9193
NSN 4140-00-185-1580
NSN 5920-00-284-5785
NSN 4140-01-398-6916
NSN 4140-01-511-5129
NSN 6150-01-473-3062
NSN 6240-00-755-6904
NSN 6610-00-536-4977
NSN 5996-00-615-9665