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 5910-00-291-3955
NSN 6110-01-027-1851
NSN 5925-01-505-3478
NSN 5996-00-114-1799
NSN 6685-00-334-0621
NSN 6135-01-238-2878
NSN 5895-00-111-4599
NSN 5945-01-575-0755
NSN 6150-01-409-2858
NSN 6240-00-204-9355
NSN 5855-00-763-2155
NSN 6240-01-596-7742