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 5990-00-389-0554
NSN 5965-00-083-8157
NSN 6645-01-560-9339
NSN 5996-01-373-9107
NSN 7035-01-532-5258
NSN 5855-01-040-3881
NSN 6320-01-116-3980
NSN 6620-00-078-4470
NSN 5998-01-214-1310
NSN 5935-00-719-9936
NSN 6135-01-578-1148
NSN 6220-00-152-7114