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 5950-00-339-4229
NSN 5935-01-519-3376
NSN 5930-00-648-6354
NSN 6110-00-989-7474
NSN 6130-01-508-4877
NSN 6135-01-442-0890
NSN 5920-01-197-2570
NSN 5895-01-021-0818
NSN 5925-00-881-9507
NSN 5925-01-120-9816
NSN 6645-00-389-3370
NSN 5998-01-265-0070