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 6105-01-146-4420
NSN 5960-01-088-6553
NSN 4140-00-528-2921
NSN 5990-00-110-1153
NSN 6150-01-142-9161
NSN 5945-01-476-5570
NSN 5996-00-294-7045
NSN 6145-01-327-3328
NSN 5910-01-126-4146
NSN 2925-01-043-9786
NSN 6650-01-276-2869
NSN 6610-01-291-4173