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 5935-00-625-5929
NSN 7035-01-074-2343
NSN 5855-00-494-9581
NSN 5930-01-029-3574
NSN 6150-01-247-5438
NSN 6105-00-045-3700
NSN 6650-01-417-8143
NSN 5975-00-115-2696
NSN 5915-01-044-5260
NSN 6610-01-369-7306
NSN 5935-00-597-5055
NSN 6110-01-453-3411