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 5925-01-384-3065
NSN 5998-00-217-6544
NSN 5996-01-142-0878
NSN 5996-00-823-9164
NSN 6320-01-612-7035
NSN 5920-01-212-1536
NSN 5996-01-480-3037
NSN 6135-01-309-8414
NSN 5930-01-531-6773
NSN 4140-01-029-4211
NSN 5996-01-437-9747
NSN 6320-00-977-3930