Weapon system essential
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 5855-00-167-7893
NSN 5925-01-158-4167
NSN 6320-01-512-2031
NSN 6320-00-994-0179
NSN 5998-01-496-2661
NSN 6145-01-224-2452
NSN 6145-00-937-3536
NSN 5915-00-169-6845
NSN 4140-01-160-7699
NSN 5930-01-603-0493
NSN 5855-01-033-1375
NSN 6685-01-398-9807