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 6620-00-349-8013
NSN 5950-01-456-8729
NSN 6220-01-004-8909
NSN 5930-01-200-4032
NSN 5960-01-408-2062
NSN 6645-01-507-1453
NSN 5920-01-429-9947
NSN 5996-00-177-3463
NSN 5920-01-174-8540
NSN 2925-01-068-3844
NSN 5895-01-300-1110
NSN 5960-01-553-4557