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 5920-00-647-3467
NSN 5910-01-409-2852
NSN 5920-01-148-1042
NSN 6320-00-725-0754
NSN 6620-01-425-2750
NSN 5835-01-317-4840
NSN 5999-01-235-4813
NSN 5960-01-530-0581
NSN 5990-01-218-5160
NSN 4140-01-528-8364
NSN 5960-01-441-7047
NSN 6650-01-396-5352