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 5895-01-264-3569
NSN 6620-00-581-5181
NSN 6135-01-235-4168
NSN 6240-00-660-8467
NSN 5935-01-340-6448
NSN 5915-01-112-8393
NSN 2925-00-833-9466
NSN 5895-00-379-4699
NSN 5960-01-063-6846
NSN 6135-00-078-9931
NSN 6610-01-229-3679
NSN 4140-00-918-7837