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 5998-01-128-5987
NSN 6110-01-159-0514
NSN 5835-01-412-0344
NSN 5965-00-831-2134
NSN 6105-01-367-0766
NSN 5950-00-296-3819
NSN 5998-00-541-8792
NSN 5999-01-591-3341
NSN 5985-01-022-4284
NSN 5960-01-065-7900
NSN 6620-00-269-8950
NSN 5960-01-410-8177