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 5915-01-607-7687
NSN 6110-01-091-9703
NSN 5905-01-334-4627
NSN 5910-01-443-3625
NSN 5895-01-322-8395
NSN 5935-00-104-5901
NSN 6135-01-010-0891
NSN 5905-00-692-8642
NSN 5930-00-438-0595
NSN 5999-00-242-8538
NSN 5920-00-827-1094
NSN 6645-01-478-2140