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 6685-01-204-0178
NSN 5998-01-270-6349
NSN 5935-00-446-8768
NSN 5965-00-822-3284
NSN 6320-01-148-8125
NSN 5965-00-918-3950
NSN 6650-01-537-0443
NSN 5950-00-374-2322
NSN 5950-01-465-5224
NSN 6145-01-290-3986
NSN 4140-01-264-4952
NSN 5835-01-069-2359