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 6685-01-101-7495
NSN 5915-01-412-1374
NSN 6110-01-103-6762
NSN 6110-00-549-6662
NSN 6145-00-104-7789
NSN 5985-01-113-6344
NSN 6220-01-347-8643
NSN 5975-01-454-3682
NSN 5960-01-339-3037
NSN 6610-01-197-8302
NSN 5975-01-248-1246
NSN 5915-01-633-9845