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 6105-01-188-5051
NSN 6110-01-640-7237
NSN 5905-01-081-8073
NSN 6145-00-005-6294
NSN 5975-01-626-4914
NSN 5965-01-411-9933
NSN 6135-00-900-2139
NSN 5915-01-349-8437
NSN 5960-00-504-6757
NSN 6650-00-539-7298
NSN 5960-00-581-8342
NSN 5895-01-113-8732