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 6645-00-171-5354
NSN 6145-00-598-9397
NSN 6610-00-149-1534
NSN 5975-01-216-3401
NSN 6145-00-170-7947
NSN 5996-01-100-3731
NSN 5960-00-840-7103
NSN 5998-01-094-1310
NSN 5915-00-219-6893
NSN 6150-00-880-3230
NSN 6150-00-359-2019
NSN 5965-00-081-9412