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 6650-01-452-8302
NSN 6240-01-391-6027
NSN 5985-00-910-9958
NSN 5930-00-278-7731
NSN 5965-01-303-6105
NSN 5945-00-020-1831
NSN 5915-01-215-2159
NSN 6610-00-901-5137
NSN 5925-00-023-4154
NSN 6220-00-643-4045
NSN 5975-00-064-1886
NSN 5920-01-227-1877