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 5855-01-474-8655
NSN 7035-01-558-1117
NSN 5910-01-467-1324
NSN 6130-00-274-8411
NSN 5998-01-293-9230
NSN 6645-00-954-2822
NSN 5950-01-634-0677
NSN 5950-01-614-3723
NSN 7035-00-153-3826
NSN 5965-01-147-5289
NSN 6320-01-399-6177
NSN 6610-00-500-6944