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 2925-01-244-3016
NSN 6320-01-123-6814
NSN 5920-01-221-9598
NSN 6105-00-427-9615
NSN 6620-01-042-2046
NSN 5905-00-781-9706
NSN 5965-00-594-3115
NSN 6620-00-868-7104
NSN 6110-01-574-6819
NSN 4140-01-462-5289
NSN 6145-01-011-6189
NSN 6145-01-484-8735