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 5945-01-200-6316
NSN 5990-01-164-8673
NSN 6685-01-426-8929
NSN 5990-01-443-2931
NSN 6240-01-115-0526
NSN 5835-01-098-4289
NSN 5996-01-537-3524
NSN 6105-01-192-8579
NSN 6610-00-217-2194
NSN 6150-00-153-3196
NSN 6620-00-098-5652
NSN 5930-01-534-3451