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 5835-01-090-0784
NSN 6150-01-628-8856
NSN 5915-00-436-2299
NSN 5999-01-607-6418
NSN 6135-01-128-5358
NSN 5925-00-203-1278
NSN 6110-00-507-9040
NSN 5855-01-453-6384
NSN 7035-01-539-1031
NSN 6105-01-437-8875
NSN 5935-00-070-3589
NSN 6105-00-638-6230