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 5945-00-753-7716
NSN 5975-01-449-8079
NSN 5930-01-290-9835
NSN 5945-01-462-0441
NSN 5855-01-541-8659
NSN 5915-01-426-8862
NSN 6110-01-573-7375
NSN 5975-01-658-1428
NSN 6240-01-644-7623
NSN 6650-00-518-2962
NSN 5945-00-440-0516
NSN 6240-01-087-2083