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 5985-01-445-1278
NSN 5905-01-413-6362
NSN 5930-00-404-0441
NSN 5960-01-485-2467
NSN 5920-00-269-4060
NSN 5895-00-565-8827
NSN 5855-01-066-4399
NSN 5950-01-102-7771
NSN 6320-01-170-4068
NSN 5985-00-039-5527
NSN 6105-01-365-1386
NSN 5920-01-252-8083