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 5835-01-377-8972
NSN 5935-00-284-8306
NSN 6105-01-603-1497
NSN 6130-01-272-7035
NSN 5930-00-728-6603
NSN 5965-01-433-0366
NSN 6105-01-215-2339
NSN 5920-01-154-7363
NSN 6620-01-509-8597
NSN 5945-00-679-1903
NSN 5950-00-007-0922
NSN 5925-01-088-1496