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 5996-01-215-9341
NSN 6620-01-290-2973
NSN 6130-00-601-6301
NSN 6610-01-193-2169
NSN 6150-01-426-8017
NSN 6320-01-443-3826
NSN 5905-00-155-4767
NSN 5935-01-464-3848
NSN 5895-01-119-2925
NSN 2925-00-660-8131
NSN 6650-01-415-5573
NSN 5998-01-605-2162