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 6610-01-424-5577
NSN 6240-01-444-2227
NSN 5930-00-166-5265
NSN 5835-01-632-6627
NSN 5990-01-264-9759
NSN 5895-01-501-1248
NSN 5990-01-633-9503
NSN 5990-01-392-5682
NSN 6130-00-567-0626
NSN 6650-00-469-2218
NSN 5895-00-725-5264
NSN 5998-01-464-9764