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 5975-00-553-7151
NSN 5985-00-225-3525
NSN 6320-01-271-0247
NSN 5960-01-641-5493
NSN 5930-00-554-1064
NSN 5996-00-316-3386
NSN 5999-00-027-9773
NSN 5975-01-530-6837
NSN 5960-01-281-5437
NSN 5999-01-172-7443
NSN 5985-01-408-9699
NSN 5935-01-591-5369