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 5935-00-234-9287
NSN 5985-01-209-6839
NSN 6645-00-099-6913
NSN 5855-01-046-7273
NSN 5925-00-205-2767
NSN 6610-01-546-9693
NSN 5998-00-494-6408
NSN 5996-01-491-0178
NSN 5930-00-753-6806
NSN 5925-01-068-9364
NSN 5998-00-409-5798
NSN 6130-01-445-9895