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 5998-01-299-7106
NSN 5998-01-502-9771
NSN 5835-01-386-4027
NSN 6610-00-727-0882
NSN 5895-00-465-3678
NSN 5915-00-287-5062
NSN 6135-00-145-8884
NSN 5975-01-641-4517
NSN 6145-01-316-2520
NSN 6135-01-546-4588
NSN 6685-01-536-3531
NSN 2925-00-328-2018