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 6685-00-997-2719
NSN 5905-01-420-2661
NSN 5920-00-456-5211
NSN 5990-01-627-8097
NSN 5935-00-462-1416
NSN 5910-00-021-9415
NSN 6110-01-361-8044
NSN 5945-01-222-1658
NSN 5960-01-192-7710
NSN 6685-01-549-6157
NSN 5945-00-923-0411
NSN 4140-00-838-5976