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 5930-01-615-2810
NSN 4140-01-352-2924
NSN 5925-01-278-4957
NSN 5925-01-406-6135
NSN 6150-01-522-7689
NSN 5960-00-710-9818
NSN 5998-01-602-8819
NSN 6645-01-231-9891
NSN 5999-00-493-7343
NSN 5985-00-485-4924
NSN 5985-01-020-7203
NSN 5990-00-320-2779