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 6130-01-076-7433
NSN 6620-01-560-4497
NSN 5910-01-372-8993
NSN 6135-01-529-2180
NSN 5975-00-451-5001
NSN 6110-01-406-4818
NSN 6620-01-398-8986
NSN 5925-01-504-2600
NSN 6610-01-422-2376
NSN 5999-01-203-9329
NSN 5895-01-336-3868
NSN 5945-01-131-9892