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 5985-01-354-6115
NSN 5950-00-147-3450
NSN 5835-01-332-2867
NSN 6650-01-399-6141
NSN 6645-01-074-4063
NSN 5945-00-081-2026
NSN 6150-01-391-6854
NSN 5895-00-868-2651
NSN 6240-01-088-7629
NSN 5895-00-712-1895
NSN 6320-01-521-1764
NSN 5996-01-301-6113