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 5925-00-674-8318
NSN 6620-01-422-7012
NSN 5905-01-207-3475
NSN 5950-01-151-5100
NSN 6105-01-519-8003
NSN 6620-00-841-0346
NSN 4140-00-595-7535
NSN 6145-00-635-9957
NSN 6610-01-192-6478
NSN 6150-01-392-6750
NSN 5835-01-455-3380
NSN 6220-01-208-5556