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 6610-00-291-7025
NSN 5905-00-876-8527
NSN 5895-00-091-0597
NSN 5965-01-033-9352
NSN 5855-01-359-0373
NSN 5920-01-467-2079
NSN 6130-01-355-1265
NSN 6685-00-859-7294
NSN 5855-01-430-3246
NSN 5999-01-044-4099
NSN 6240-01-139-3377
NSN 4140-00-078-1017