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 6105-01-084-6153
NSN 6240-01-338-1773
NSN 5835-01-481-4204
NSN 5996-01-509-4874
NSN 5996-01-199-4148
NSN 5855-00-489-6754
NSN 6240-01-250-3574
NSN 6320-01-631-7828
NSN 5985-00-614-2744
NSN 6105-00-643-4975
NSN 5990-01-188-7309
NSN 6105-01-366-3140