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 5835-01-501-0526
NSN 5945-00-469-3516
NSN 6110-01-570-2556
NSN 6650-00-684-3060
NSN 6145-00-170-7947
NSN 6110-01-528-4528
NSN 5930-01-525-7226
NSN 5965-01-202-1007
NSN 5920-01-290-8833
NSN 6135-00-725-9369
NSN 5935-01-378-5739
NSN 5950-00-784-0754