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 5965-01-277-8589
NSN 5945-01-310-8487
NSN 6220-01-085-0081
NSN 6240-01-224-7656
NSN 5930-01-078-4309
NSN 5935-00-372-3387
NSN 6220-01-350-4668
NSN 5930-01-168-1025
NSN 5965-01-181-7831
NSN 5990-01-386-5561
NSN 5945-00-599-5697
NSN 5996-00-929-6762