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 5985-00-121-9844
NSN 5996-01-627-3058
NSN 5905-01-270-4526
NSN 5930-01-565-5742
NSN 5915-00-508-1259
NSN 5965-01-465-4370
NSN 5985-01-604-2342
NSN 5985-01-423-0581
NSN 5965-01-654-4571
NSN 5960-00-597-2680
NSN 5990-00-421-5135
NSN 5920-00-372-5864