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 steel, hand operated
NSN 4140-00-972-9513
NSN 5999-00-450-9713
NSN 6105-01-467-7852
NSN 5999-00-529-0157
NSN 6135-01-285-1925
NSN 5960-00-328-4058
NSN 6240-00-135-3385
NSN 5930-01-605-1732
NSN 5999-00-655-1308
NSN 6650-01-200-9704
NSN 6110-01-416-9480
NSN 5905-01-551-0530