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 5975-00-557-4140
NSN 4140-01-170-5294
NSN 6145-00-826-6676
NSN 5950-01-547-8630
NSN 5835-01-281-7281
NSN 5990-01-548-5979
NSN 6610-01-495-2990
NSN 5945-00-735-5381
NSN 6645-00-296-8310
NSN 6110-01-510-6069
NSN 5835-01-442-6079
NSN 5895-00-837-2343