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 5855-00-610-4052
NSN 5930-00-379-2227
NSN 5965-00-126-8401
NSN 5965-00-170-5254
NSN 5855-01-640-9838
NSN 5999-00-807-8104
NSN 6320-01-173-7950
NSN 5965-01-142-1807
NSN 5999-01-568-3613
NSN 6135-01-226-4071
NSN 6145-00-411-0813
NSN 4140-00-939-8605