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 5950-01-014-6238
NSN 5920-01-063-6499
NSN 6110-01-538-8835
NSN 5855-00-256-5562
NSN 5999-01-086-2736
NSN 5895-01-298-1939
NSN 5950-01-284-6746
NSN 5930-01-444-4074
NSN 6105-01-182-2098
NSN 6130-00-578-0869
NSN 5910-01-463-5342
NSN 6145-01-516-9020