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 5925-00-475-2648
NSN 2925-01-469-8229
NSN 6320-01-176-8367
NSN 6145-00-259-6946
NSN 5975-00-072-6075
NSN 6610-01-222-0582
NSN 6110-00-250-7913
NSN 5945-01-357-6624
NSN 4140-01-272-4041
NSN 5945-01-459-6362
NSN 5950-01-581-4827
NSN 6150-01-383-0308