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 6610-01-469-6235
NSN 5855-01-417-3250
NSN 6135-01-431-6801
NSN 6650-00-575-7487
NSN 6645-00-800-5485
NSN 5996-01-462-3655
NSN 5930-01-309-7625
NSN 6645-01-505-5772
NSN 5935-01-464-3848
NSN 5950-00-633-8366
NSN 5965-01-224-4993
NSN 5935-01-540-3219