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 5895-01-384-2219
NSN 6240-01-437-6888
NSN 5975-01-132-7102
NSN 6110-00-260-0130
NSN 6135-00-880-1026
NSN 6130-00-215-2664
NSN 5950-01-350-6625
NSN 6240-01-379-4017
NSN 5965-00-775-6496
NSN 5915-01-192-9000
NSN 5855-01-263-7669
NSN 5935-00-451-1732