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 6620-01-423-0833
NSN 6145-01-258-0204
NSN 5910-00-292-0048
NSN 5950-00-174-4372
NSN 5960-01-462-1864
NSN 5935-01-551-6214
NSN 5950-01-495-9735
NSN 5935-00-722-5546
NSN 5999-00-244-2823
NSN 5990-01-598-8769
NSN 6130-01-317-4732
NSN 7035-01-135-0050