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 6610-01-176-3539
NSN 5960-00-829-6192
NSN 6145-01-515-1455
NSN 5950-00-238-3195
NSN 6240-01-043-2255
NSN 6650-01-173-5651
NSN 6135-00-377-9165
NSN 5950-01-100-3647
NSN 4140-01-242-2296
NSN 5905-00-892-0582
NSN 5945-01-634-0588
NSN 5996-01-245-8209