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 5950-00-450-6824
NSN 7035-01-319-7066
NSN 5990-00-738-1928
NSN 5855-01-321-3881
NSN 2925-00-010-9609
NSN 5915-01-145-4989
NSN 5990-00-079-5406
NSN 5925-01-367-6118
NSN 5925-01-149-9300
NSN 6240-01-086-7521
NSN 5990-01-392-2210
NSN 6610-00-960-9135