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 6240-01-487-8757
NSN 5930-01-548-9393
NSN 6240-01-383-8579
NSN 6620-01-381-5482
NSN 6150-00-317-5498
NSN 5855-00-779-2854
NSN 6145-01-519-3281
NSN 6130-01-373-5179
NSN 5965-01-021-4163
NSN 5925-00-067-3814
NSN 6150-01-108-4587
NSN 5935-00-948-3838