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: Pressure-reducing valves, pneumatic fluid power type, filter-regulators and filter-regulator-lubricators
NSN 5920-00-753-5113
NSN 4140-01-067-8986
NSN 5855-01-007-9541
NSN 5915-01-287-5669
NSN 5835-01-426-6573
NSN 5920-01-380-3196
NSN 5915-00-155-7626
NSN 6610-01-278-2446
NSN 6240-01-102-1555
NSN 5996-01-081-5250
NSN 5835-01-495-0595
NSN 6240-01-006-5097