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 5996-01-391-4529
NSN 6150-01-466-6377
NSN 5950-01-592-3606
NSN 6105-01-067-9320
NSN 6145-01-589-2657
NSN 5855-01-066-8742
NSN 6145-01-275-5924
NSN 5998-01-226-5900
NSN 6145-01-098-3899
NSN 5975-01-546-3574
NSN 2925-00-365-3289
NSN 6150-01-232-8739