A valve that controls flow by a circular disk, or a pair of semicircular disks, attached to a common spindle or lever turning on a diametral axis.
Classification: Butterfly type taps, cocks and valves of iron, hand operated
NSN 7035-01-294-2688
NSN 5935-01-182-1350
NSN 5905-01-419-6176
NSN 6130-01-050-7036
NSN 7035-00-150-2379
NSN 7035-01-492-6799
NSN 5960-01-143-8622
NSN 5895-00-959-2284
NSN 6650-00-896-9468
NSN 6130-01-244-1653
NSN 5998-01-370-6861
NSN 6110-01-199-3948