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 5965-01-017-1451
NSN 5855-00-494-9581
NSN 6620-01-628-2620
NSN 5985-00-263-2469
NSN 6220-01-516-1292
NSN 6150-00-603-9825
NSN 6610-01-435-5425
NSN 5950-01-632-5470
NSN 6135-01-627-6921
NSN 5990-01-357-6175
NSN 5945-01-162-8093
NSN 5945-01-378-3779