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 6240-00-518-2400
NSN 5835-01-332-2380
NSN 6610-00-663-8815
NSN 6145-01-163-3214
NSN 5950-01-220-9846
NSN 5905-00-171-2652
NSN 2925-01-424-0235
NSN 5930-01-052-8042
NSN 5998-00-007-5499
NSN 5895-00-827-0240
NSN 5950-01-604-9435
NSN 6610-01-436-3468