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 6610-00-074-9586
NSN 5915-01-633-9845
NSN 6645-01-414-8806
NSN 4140-00-824-3285
NSN 5935-01-175-0038
NSN 5835-01-116-2369
NSN 7035-01-451-6421
NSN 5990-00-179-2576
NSN 5945-01-107-4301
NSN 5998-01-536-5371
NSN 5950-01-164-2489
NSN 6610-01-658-3664