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 5855-00-629-5343
NSN 6145-01-519-3281
NSN 6320-00-925-0558
NSN 6220-00-949-8316
NSN 5990-01-411-4596
NSN 5930-01-044-9680
NSN 5960-00-450-1126
NSN 5915-01-585-1274
NSN 6145-00-936-0083
NSN 5960-00-633-7670
NSN 5925-00-468-2757
NSN 4140-00-513-1089