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 5975-01-246-7137
NSN 5925-01-287-0657
NSN 4140-00-336-1728
NSN 6320-00-149-7570
NSN 5996-01-391-7489
NSN 5965-01-053-3434
NSN 5915-00-067-4227
NSN 5999-00-197-8244
NSN 6105-00-925-0239
NSN 5950-00-712-7962
NSN 5975-00-835-7753
NSN 5998-01-419-2937