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 4140-01-478-7914
NSN 5990-00-087-3102
NSN 6110-00-387-3911
NSN 5998-01-375-4977
NSN 5925-01-287-3345
NSN 5835-01-023-8733
NSN 6650-01-358-0948
NSN 5990-01-100-1840
NSN 5915-00-504-9416
NSN 6135-01-561-5945
NSN 5915-00-435-3467
NSN 6240-01-327-1017