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 6105-00-113-0679
NSN 5950-00-104-5908
NSN 5990-01-649-4647
NSN 5835-00-943-2763
NSN 7035-01-444-4240
NSN 5835-00-987-9341
NSN 5935-01-429-5625
NSN 5945-00-622-3060
NSN 5999-00-408-3041
NSN 5920-00-247-9815
NSN 6150-00-078-2664
NSN 5925-01-447-2656