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 5950-01-026-1040
NSN 5960-00-701-4090
NSN 5920-00-373-3636
NSN 5999-00-189-0032
NSN 5975-01-309-8120
NSN 6240-01-518-3874
NSN 5985-01-422-2552
NSN 5855-01-159-1654
NSN 5996-01-108-8764
NSN 6620-01-461-3550
NSN 6135-00-334-4500
NSN 5935-01-444-8908