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 5920-01-530-2113
NSN 5895-00-805-3760
NSN 5990-00-316-8872
NSN 6320-01-116-3980
NSN 5950-00-596-8102
NSN 5960-01-259-3846
NSN 5920-00-229-8444
NSN 5855-01-628-9220
NSN 4140-01-110-5712
NSN 5960-00-400-9106
NSN 5950-01-317-9359
NSN 6110-00-880-3725