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 5935-01-145-9205
NSN 6220-01-304-0855
NSN 6650-01-140-4463
NSN 6220-01-191-7643
NSN 6650-01-660-5441
NSN 6610-01-483-7874
NSN 6110-01-071-6270
NSN 5985-01-607-7920
NSN 4140-01-601-2398
NSN 5965-01-280-3772
NSN 5915-00-843-8046
NSN 5930-01-618-5085