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 5895-00-379-2358
NSN 6220-01-202-7954
NSN 5895-01-098-8432
NSN 6105-00-034-3759
NSN 6105-01-634-0322
NSN 5945-01-425-7002
NSN 5985-01-015-4660
NSN 6650-01-554-7322
NSN 5960-01-493-3948
NSN 5990-00-676-9520
NSN 5965-00-113-9748
NSN 5855-01-321-3881