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 6105-00-994-4563
NSN 7035-00-312-3055
NSN 6130-01-446-2041
NSN 5999-01-485-2449
NSN 6645-01-085-8879
NSN 6220-00-827-7423
NSN 5965-00-527-8818
NSN 6145-00-360-7760
NSN 6650-00-264-0664
NSN 5905-00-272-9259
NSN 5965-00-617-5731
NSN 5930-01-544-4128