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 6645-01-227-9429
NSN 5855-01-419-9429
NSN 6145-01-494-0158
NSN 6130-01-322-3728
NSN 5990-01-473-4314
NSN 5910-01-514-8888
NSN 6220-01-253-5172
NSN 6620-01-069-0912
NSN 5998-00-986-7404
NSN 6650-01-233-1484
NSN 6685-01-193-8879
NSN 5935-01-013-8974