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 5935-01-512-0865
NSN 6610-01-106-5012
NSN 5930-01-018-5170
NSN 5985-01-220-2163
NSN 5975-01-072-4464
NSN 5835-01-121-2098
NSN 5965-01-026-9865
NSN 5945-00-764-4228
NSN 6130-01-320-8376
NSN 5975-01-573-7606
NSN 5930-00-950-0693
NSN 6645-01-315-2010