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 6650-01-467-2355
NSN 5835-00-997-4680
NSN 6610-01-375-1527
NSN 5855-01-364-1005
NSN 6620-00-413-4695
NSN 5985-01-367-4632
NSN 6240-01-205-4784
NSN 6130-01-642-6272
NSN 6240-01-034-7520
NSN 5910-01-375-0636
NSN 5945-00-657-7232
NSN 6610-01-314-7964