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 6620-00-586-6460
NSN 5835-01-397-5841
NSN 6240-01-154-6840
NSN 5950-00-887-6456
NSN 6110-00-343-1618
NSN 5930-01-381-6277
NSN 5915-01-336-5544
NSN 4140-01-144-5179
NSN 6650-01-112-6879
NSN 5945-01-517-0398
NSN 5960-01-039-0093
NSN 6320-01-369-1648