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 5905-00-766-4927
NSN 5998-01-598-0782
NSN 6650-00-234-3275
NSN 6320-00-405-2348
NSN 5930-01-199-7200
NSN 5855-01-020-7982
NSN 5905-01-613-0258
NSN 5895-01-103-6260
NSN 6610-01-372-5179
NSN 5990-01-608-9271
NSN 6650-00-256-9059
NSN 5975-00-484-2223