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 6105-00-516-2151
NSN 5935-00-879-5799
NSN 6130-01-157-8094
NSN 5999-01-027-2631
NSN 5835-00-433-0170
NSN 6610-01-599-2491
NSN 5999-01-071-7669
NSN 6220-01-268-0570
NSN 5965-01-176-3227
NSN 6610-01-461-5393
NSN 5965-00-802-6683
NSN 5920-01-441-2286