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 5915-00-197-2223
NSN 5950-01-609-3897
NSN 6320-01-429-5728
NSN 6110-01-222-0767
NSN 5905-00-901-5359
NSN 5996-01-281-7336
NSN 6110-01-436-2699
NSN 5975-01-241-1320
NSN 5985-01-269-2672
NSN 5895-00-186-4929
NSN 5965-01-089-7678
NSN 5985-01-630-9101