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 5985-00-406-1141
NSN 4140-01-369-8109
NSN 6150-01-230-9184
NSN 5965-01-426-8325
NSN 5960-01-528-1147
NSN 2925-01-470-5534
NSN 6110-00-544-2527
NSN 6105-01-634-0322
NSN 6110-00-288-4179
NSN 6320-01-562-1599
NSN 6150-01-070-5953
NSN 5855-01-363-8646