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 steel, hand operated
NSN 6645-01-169-8030
NSN 4140-00-760-8131
NSN 6240-01-384-3887
NSN 5950-00-187-0232
NSN 6645-00-806-6961
NSN 6145-00-170-7947
NSN 6620-01-417-8110
NSN 5990-01-219-2703
NSN 6645-01-225-9548
NSN 5985-00-205-2922
NSN 5920-01-058-3066
NSN 6320-01-089-9086