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 5835-01-193-0391
NSN 6220-01-393-5111
NSN 6610-01-458-3119
NSN 5935-01-217-7097
NSN 5895-01-076-3495
NSN 5905-01-145-2483
NSN 5998-01-211-6505
NSN 6220-01-388-0317
NSN 5895-00-195-7714
NSN 5998-01-358-1465
NSN 5996-01-440-7101
NSN 5975-01-230-3386