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 6240-00-494-0927
NSN 6110-00-288-4179
NSN 5945-00-070-4361
NSN 6130-00-255-4196
NSN 5835-01-227-2318
NSN 6610-00-232-1533
NSN 5999-01-568-3164
NSN 5975-01-189-5058
NSN 5905-01-322-4901
NSN 6145-01-434-4155
NSN 5935-00-528-2185
NSN