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 6240-01-563-5578
NSN 6645-00-547-4388
NSN 7035-01-021-7956
NSN 5835-00-180-7555
NSN 2925-01-055-9705
NSN 5975-01-324-1978
NSN 5895-01-478-8883
NSN 5945-01-535-5283
NSN 6685-01-344-6639
NSN 5975-01-460-5451
NSN 5935-01-382-3438
NSN 6620-01-462-0001