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 5975-01-038-0596
NSN 6150-01-503-0078
NSN 5910-01-350-6579
NSN 5945-00-211-2613
NSN 5985-01-500-0880
NSN 5935-00-587-5021
NSN 5950-01-627-5389
NSN 6610-00-111-7312
NSN 5998-01-141-2392
NSN 6645-01-550-9669
NSN 5950-01-088-3285
NSN 5975-00-240-3860