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 5999-00-068-0010
NSN 6130-00-400-5774
NSN 7035-01-424-7019
NSN 6150-01-520-7938
NSN 2925-01-437-9041
NSN 5925-00-192-9630
NSN 5975-01-186-9956
NSN 6620-01-231-9731
NSN 5910-01-435-2685
NSN 6145-00-553-8196
NSN 6620-00-106-9658
NSN 5975-01-416-4960