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 5945-00-225-8421
NSN 6610-01-626-2327
NSN 5945-01-660-7299
NSN 5975-00-732-4175
NSN 5960-00-420-0418
NSN 6110-00-103-9358
NSN 2925-01-556-0333
NSN 6320-01-334-9840
NSN 6240-01-350-7753
NSN 5925-00-477-2703
NSN 6645-00-350-8070
NSN 6145-00-360-7760