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 6220-01-179-8278
NSN 5835-01-261-9878
NSN 5945-00-522-1293
NSN 5895-01-128-1801
NSN 5945-01-196-1350
NSN 6650-00-137-0283
NSN 6320-01-054-3046
NSN 6220-00-912-0226
NSN 5895-01-598-1678
NSN 5998-00-233-6401
NSN 6130-01-234-8074
NSN 6135-01-296-1860