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 6135-00-962-4111
NSN 5920-01-121-8022
NSN 5835-00-143-4153
NSN 5930-00-186-9934
NSN 5945-00-553-9963
NSN 5910-01-560-4230
NSN 5925-00-279-1353
NSN 6610-00-989-8912
NSN 5935-00-779-8606
NSN 6240-00-899-6990
NSN 5960-01-472-9562
NSN 5910-01-245-2264