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 5930-00-333-9797
NSN 4140-00-110-4524
NSN 5855-01-020-7982
NSN 5935-00-017-9205
NSN 5915-01-355-8847
NSN 5915-00-205-2615
NSN 6135-01-079-7852
NSN 5945-01-097-0173
NSN 6645-01-437-9017
NSN 5935-01-613-6333
NSN 5990-01-288-7393
NSN 5960-00-871-3950