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 5999-00-449-7039
NSN 5996-01-158-2531
NSN 6150-01-379-6354
NSN 5960-01-268-4356
NSN 5930-01-579-8697
NSN 6610-00-734-5976
NSN 5835-01-442-6482
NSN 5975-01-447-2771
NSN 6650-01-318-1829
NSN 6105-00-362-1361
NSN 5985-00-064-7103
NSN 5998-01-544-5945