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 6145-00-004-5233
NSN 6150-01-446-6345
NSN 6150-00-830-4118
NSN 5895-01-546-7244
NSN 6320-01-322-8340
NSN 5998-00-081-0903
NSN 5950-01-413-9085
NSN 5960-01-505-2426
NSN 5999-00-218-4743
NSN 5915-01-183-5010
NSN 5945-01-656-7555
NSN 5965-01-189-4805