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 5945-00-752-5929
NSN 5996-01-208-5045
NSN 6645-01-208-3440
NSN 5998-01-444-4646
NSN 5935-01-341-3317
NSN 2925-01-164-9579
NSN 5975-01-196-7580
NSN 6110-01-287-9607
NSN 5990-01-242-9653
NSN 5930-01-284-5667
NSN 4140-00-329-7510
NSN 5950-00-142-9013