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 7035-01-176-2208
NSN 5925-01-371-2876
NSN 5960-01-421-8175
NSN 5925-01-588-0721
NSN 4140-01-398-9118
NSN 6145-00-791-9820
NSN 6220-01-296-8217
NSN 6150-00-153-0298
NSN 6320-00-242-3300
NSN 6220-01-054-2804
NSN 6240-01-058-7207
NSN 6130-01-526-4409