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 5895-01-249-4618
NSN 6620-01-200-6493
NSN 5985-01-116-2604
NSN 5925-00-884-8567
NSN 6105-01-131-9677
NSN 5925-00-510-6922
NSN 5930-01-483-4553
NSN 6685-01-268-2294
NSN 5998-00-470-5975
NSN 6650-00-945-3098
NSN 6130-01-446-6252
NSN 6620-00-242-7032