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 5990-00-295-8237
NSN 7035-01-380-6538
NSN 5960-01-407-1350
NSN 5996-00-899-3163
NSN 5985-01-348-5879
NSN 5985-00-933-0068
NSN 6645-00-550-7395
NSN 6610-00-004-0332
NSN 5895-01-206-1330
NSN 5985-00-854-0849
NSN 6130-01-417-2662
NSN 5905-01-157-9685