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 5999-01-207-3099
NSN 6610-01-246-4164
NSN 5895-00-260-1806
NSN 5920-00-466-3950
NSN 5905-01-503-2608
NSN 6685-00-151-5257
NSN 5945-00-593-6503
NSN 6620-01-141-5747
NSN 5905-01-331-0460
NSN 5855-00-797-8217
NSN 5915-01-417-2058
NSN 5996-01-020-4484