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 6130-01-250-2822
NSN 5975-01-398-0486
NSN 6685-00-128-7981
NSN 5935-01-278-3457
NSN 5930-01-151-1460
NSN 6135-01-321-3148
NSN 5998-01-212-5895
NSN 5855-01-486-5046
NSN 5915-01-394-5335
NSN 5999-01-645-0484
NSN 5999-01-550-7065
NSN 5915-01-012-1854