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 iron, hand operated
NSN 6110-01-541-8076
NSN 6685-01-596-1480
NSN 5910-01-444-1429
NSN 5998-01-608-3948
NSN 5910-01-491-5519
NSN 6620-01-431-0706
NSN 5895-00-292-2872
NSN 6620-01-462-0001
NSN 6610-01-649-5326
NSN 5920-01-603-2768
NSN 5930-01-429-8443
NSN 2925-01-411-4666