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 6320-01-607-1491
NSN 6240-00-156-1607
NSN 5998-01-452-2650
NSN 6685-00-184-3894
NSN 6150-01-114-9361
NSN 6685-01-564-2751
NSN 5960-01-288-8910
NSN 7035-01-099-2311
NSN 5835-01-027-1828
NSN 6240-01-277-7962
NSN 5925-01-344-4901
NSN 6145-00-859-2522