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 6150-01-316-4881
NSN 5930-00-221-6067
NSN 6110-01-210-8819
NSN 5855-01-406-7237
NSN 5855-01-519-3814
NSN 5998-01-607-5757
NSN 2925-00-797-1042
NSN 6240-01-632-2700
NSN 5996-01-435-5547
NSN 5915-01-572-3811
NSN 5965-01-105-4194
NSN 5950-01-541-4022