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.
NSN 6105-00-983-7255
NSN 6130-01-216-0738
NSN 6110-01-113-9148
NSN 5935-01-324-3616
NSN 5999-01-337-1027
NSN 6610-00-388-9188
NSN 5835-00-033-0294
NSN 5999-01-461-9974
NSN 5930-00-758-9122
NSN 5855-00-631-4565
NSN 6220-01-077-7833
NSN 5985-00-473-2161