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 6145-00-107-7913
NSN 5965-00-339-2743
NSN 6610-01-261-6102
NSN 5945-00-317-4812
NSN 5945-00-239-6254
NSN 5985-00-238-2595
NSN 4140-00-493-4759
NSN 6320-01-376-2778
NSN 5975-01-154-9585
NSN 5910-01-021-2537
NSN 6150-01-089-9878
NSN 5999-00-221-4615