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 5965-01-471-7945
NSN 5930-00-317-3006
NSN 5990-01-377-8991
NSN 5905-01-372-0785
NSN 5920-00-424-9540
NSN 5945-01-123-9665
NSN 6220-01-272-3177
NSN 5895-01-336-3120
NSN 5999-00-794-7457
NSN 6105-01-360-2590
NSN 6130-00-329-7773
NSN 6650-00-170-5095