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 5985-01-207-0097
NSN 6645-01-369-2478
NSN 5965-00-689-1545
NSN 6620-01-085-8688
NSN 5985-00-492-0236
NSN 5950-01-571-0506
NSN 4140-00-594-4452
NSN 5985-01-603-0987
NSN 5905-00-713-8502
NSN 5925-01-204-6888
NSN 5920-01-240-2362
NSN 5930-01-422-3732