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 6650-01-578-0007
NSN 7035-00-585-2113
NSN 5999-01-579-4857
NSN 4140-00-410-7868
NSN 2925-01-224-1885
NSN 5950-01-476-8171
NSN 5990-00-446-0518
NSN 5905-00-085-8442
NSN 5945-01-491-5475
NSN 5950-00-974-2159
NSN 6130-01-253-7067
NSN 5996-01-310-0881