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 5975-00-948-6663
NSN 6685-00-875-6923
NSN 5960-01-212-8118
NSN 6650-01-251-0584
NSN 6650-00-160-4288
NSN 6220-00-790-5431
NSN 5935-01-622-7894
NSN 2925-00-442-0974
NSN 6130-01-206-5151
NSN 5965-01-260-7146
NSN 5895-01-270-9165
NSN 4140-00-089-9377