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 6150-01-202-9251
NSN 5975-00-547-8911
NSN 6685-00-813-7025
NSN 5960-01-520-4615
NSN 6610-01-586-5221
NSN 5920-01-462-1593
NSN 6650-00-050-0476
NSN 6650-00-296-4670
NSN 6105-01-275-2768
NSN 5925-00-596-2146
NSN 6645-01-227-2036
NSN 7035-01-592-4412