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 5999-01-105-9734
NSN 6620-01-621-0719
NSN 5996-00-540-6570
NSN 6320-00-433-2773
NSN 5905-00-597-3313
NSN 6645-01-323-1956
NSN 5998-00-305-4087
NSN 6240-01-633-9357
NSN 2925-01-036-6577
NSN 5915-01-528-8298
NSN 6130-00-996-8029
NSN 6320-01-512-2031