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 6610-00-679-4835
NSN 6240-01-503-8717
NSN 5925-00-186-8669
NSN 5965-01-063-7894
NSN 6220-00-142-5115
NSN 6645-01-380-6111
NSN 6150-00-226-0992
NSN 6220-00-577-3435
NSN 5905-01-383-6876
NSN 5855-01-087-1417
NSN 5950-00-190-7282
NSN 5965-00-761-4666