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 5855-00-482-9876
NSN 5965-01-469-8469
NSN 5910-01-451-4905
NSN 5999-01-348-4393
NSN 6620-00-223-6753
NSN 5925-01-532-3196
NSN 5935-00-998-5681
NSN 6110-01-173-4004
NSN 6240-00-635-9953
NSN 6320-01-585-8468
NSN 6130-00-407-0644
NSN 5920-01-188-6294