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 5965-00-432-8528
NSN 5950-01-568-5324
NSN 6145-00-800-9870
NSN 6650-00-056-1581
NSN 5930-01-055-0062
NSN 6240-01-486-8317
NSN 5905-01-042-4386
NSN 6645-01-465-4915
NSN 5985-00-895-6501
NSN 5996-01-144-9523
NSN 5855-00-631-4565
NSN 5990-01-268-2236