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 5835-00-244-4956
NSN 4140-01-085-2607
NSN 5950-01-348-7902
NSN 6105-01-532-3866
NSN 5990-01-548-3711
NSN 5855-00-560-0110
NSN 6220-01-076-7851
NSN 6650-00-717-8913
NSN 5915-00-148-7009
NSN 5965-01-364-1232
NSN 5945-01-540-0535
NSN 5910-01-483-0621