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 6645-01-212-9474
NSN 5996-01-539-9348
NSN 5935-00-611-1211
NSN 5835-01-464-2662
NSN 6685-01-491-5620
NSN 2925-00-233-5644
NSN 5910-00-147-4754
NSN 5998-00-983-9456
NSN 6135-01-429-9029
NSN 6135-01-412-0097
NSN 5999-01-498-8528
NSN 5910-00-455-8741