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 6110-00-553-8816
NSN 6110-00-076-2722
NSN 5965-01-347-7328
NSN 4140-01-558-1862
NSN 6145-00-081-2797
NSN 5835-01-464-7038
NSN 5990-01-100-7231
NSN 6220-01-464-3040
NSN 5920-01-159-0096
NSN 6135-01-077-5705
NSN 5990-01-334-3268
NSN 6610-01-474-8520