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 5915-00-398-0677
NSN 6645-01-132-6136
NSN 6685-01-378-2389
NSN 5965-01-552-3670
NSN 5965-00-455-7581
NSN 5895-00-585-2038
NSN 7035-01-063-0453
NSN 5835-00-491-6075
NSN 5925-01-469-5795
NSN 5950-01-165-5364
NSN 5990-01-594-7470
NSN 5990-01-291-0600