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 5930-00-326-5024
NSN 5915-00-244-7328
NSN 5930-00-250-3852
NSN 5945-00-553-5831
NSN 6650-01-465-5362
NSN 5996-01-554-4783
NSN 6145-01-477-4320
NSN 6145-00-433-4079
NSN 5920-01-573-6166
NSN 5915-00-855-3055
NSN 5960-00-258-9292
NSN 6620-01-491-1434