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 6650-00-959-6869
NSN 6240-01-419-8439
NSN 5985-00-561-0570
NSN 5895-00-245-2570
NSN 5935-00-269-5516
NSN 5905-00-290-8098
NSN 5855-01-463-7372
NSN 5895-00-726-4831
NSN 5965-01-144-7718
NSN 5855-01-072-8885
NSN 5975-01-347-4385
NSN 6220-01-556-9497