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 5920-00-348-9134
NSN 6220-00-512-9472
NSN 5985-01-272-9745
NSN 5915-01-501-5895
NSN 6135-01-223-3869
NSN 5915-01-066-3571
NSN 5835-01-073-6133
NSN 5855-01-558-8475
NSN 5996-01-370-9886
NSN 5925-01-525-4319
NSN 5935-01-224-7668
NSN 6130-00-679-1873