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 6645-00-292-5053
NSN 5895-01-255-9639
NSN 6610-00-371-5953
NSN 5915-00-509-4678
NSN 5935-01-239-8214
NSN 5930-00-205-2945
NSN 5998-01-629-3214
NSN 5935-00-036-1329
NSN 5990-00-905-6472
NSN 5920-01-081-9961
NSN 5998-01-076-4729
NSN 6620-01-461-3550