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 6150-01-586-9684
NSN 6240-01-087-9570
NSN 5965-01-372-6344
NSN 5996-01-010-4333
NSN 5910-00-842-7306
NSN 5960-01-370-4285
NSN 5975-01-532-4978
NSN 6130-01-459-8215
NSN 5855-00-403-1031
NSN 6105-00-376-2174
NSN 5975-00-762-2719
NSN 5975-00-171-1344