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 7035-00-763-6180
NSN 6220-00-779-9725
NSN 5855-01-246-0342
NSN 5915-01-509-9554
NSN 5935-00-036-1329
NSN 5915-01-461-3089
NSN 5975-01-605-3685
NSN 6110-01-135-5364
NSN 5985-01-131-1921
NSN 5835-01-424-0054
NSN 6610-01-559-1447
NSN 6320-00-937-5625