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 5910-01-500-8750
NSN 5895-00-679-8606
NSN 6645-00-086-9346
NSN 7035-01-250-5744
NSN 6650-01-066-7272
NSN 6650-00-968-1836
NSN 5930-01-204-0068
NSN 5930-01-068-2710
NSN 6620-01-150-5072
NSN 5915-01-658-6472
NSN 5950-01-593-2579
NSN 6150-01-435-6554