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 5975-00-149-7647
NSN 5925-01-020-7548
NSN 5925-01-444-0929
NSN 6320-01-462-2295
NSN 6130-01-553-0514
NSN 5935-00-175-8503
NSN 5905-00-367-4097
NSN 5960-01-202-6610
NSN 4140-00-555-3856
NSN 5950-00-078-4433
NSN 5999-01-258-8876
NSN 5925-01-119-7888