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 6110-01-098-9864
NSN 6240-01-631-8680
NSN 5990-01-290-4787
NSN 5835-00-778-5761
NSN 5950-01-184-7325
NSN 6130-00-356-1702
NSN 5925-01-459-9410
NSN 6220-01-020-8703
NSN 6130-01-196-0064
NSN 5905-01-382-6965
NSN 5945-01-399-5980
NSN 5999-00-791-3437