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 6240-01-428-8941
NSN 5999-01-450-1201
NSN 6320-01-046-5228
NSN 5985-01-610-7659
NSN 6105-01-004-7890
NSN 5935-00-816-9923
NSN 5915-01-300-9697
NSN 6610-00-727-9918
NSN 5985-01-356-5362
NSN 6610-00-448-9004
NSN 6240-00-170-5302
NSN 6105-01-380-0004