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 5999-01-251-1551
NSN 5905-01-236-2540
NSN 7035-01-608-4642
NSN 6105-00-486-3875
NSN 6650-00-197-7563
NSN 5998-01-495-1691
NSN 5910-00-218-1114
NSN 5895-01-170-4355
NSN 6240-00-538-0920
NSN 6135-01-460-7809
NSN 5925-00-269-2685
NSN 6220-00-307-8820