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 5990-00-949-0166
NSN 5910-01-067-4893
NSN 6240-00-689-8504
NSN 5950-01-024-6136
NSN 6610-01-371-3006
NSN 6650-00-299-9681
NSN 5895-00-153-2595
NSN 5985-00-581-0513
NSN 6320-00-343-1798
NSN 6145-00-757-2742
NSN 5930-00-900-5460
NSN 5945-00-928-1194