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 5985-00-867-4038
NSN 5925-00-529-0441
NSN 6105-01-360-5629
NSN 5975-01-620-8432
NSN 5965-01-560-7006
NSN 5985-01-412-1085
NSN 5999-00-995-6349
NSN 6610-01-424-0776
NSN 6620-00-990-3385
NSN 6645-01-661-0428
NSN 6135-00-209-6918
NSN 5925-01-092-4244