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 5920-01-435-3862
NSN 5855-00-411-8688
NSN 5930-00-493-5441
NSN 5950-01-144-8597
NSN 6240-01-316-3651
NSN 6620-01-205-6608
NSN 6645-01-470-9599
NSN 5996-01-648-6675
NSN 6685-01-564-4896
NSN 6320-01-384-3080
NSN 5925-00-027-8220
NSN 5990-01-294-6198