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 5950-01-380-7010
NSN 5935-01-177-0404
NSN 5895-01-130-0907
NSN 6645-01-505-5772
NSN 6610-00-826-7235
NSN 6150-00-632-7234
NSN 5945-00-862-3979
NSN 6150-01-533-2874
NSN 5910-01-589-0511
NSN 6610-01-438-9285
NSN 6620-01-483-1138
NSN 5925-01-460-2577