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 6135-01-177-3552
NSN 7035-01-503-2362
NSN 5945-00-399-5897
NSN 5975-01-425-2642
NSN 6150-01-521-8628
NSN 5925-01-444-0929
NSN 6130-00-245-3251
NSN 5965-01-301-2553
NSN 5950-01-074-1350
NSN 5910-00-671-4063
NSN 5910-01-658-8973
NSN 5925-01-063-0848