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 6135-01-167-7604
NSN 5855-01-539-4296
NSN 5950-00-242-7849
NSN 5905-00-929-7938
NSN 6150-00-542-8668
NSN 6650-00-140-8776
NSN 5910-01-499-5889
NSN 6240-00-899-6990
NSN 6150-01-042-2952
NSN 6650-01-422-1037
NSN 5835-00-733-9145
NSN 6130-01-400-6123