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 5965-01-023-9359
NSN 6620-01-545-4845
NSN 5910-00-594-1904
NSN 5895-01-023-0522
NSN 5965-01-290-7085
NSN 6650-00-337-7464
NSN 5855-00-135-9064
NSN 6610-01-555-8791
NSN 6110-00-557-8631
NSN 6110-01-055-3507
NSN 6150-00-480-1253
NSN 6105-00-233-7312