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 6150-00-446-9206
NSN 5930-01-015-2277
NSN 6135-00-405-1989
NSN 5998-01-568-4849
NSN 5915-00-882-1196
NSN 5990-00-419-7584
NSN 5895-01-431-8612
NSN 5985-00-252-3496
NSN 6130-01-569-5533
NSN 5935-01-163-8294
NSN 5965-01-207-0991
NSN 5930-00-548-4223