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 6110-00-660-8998
NSN 7035-01-062-1692
NSN 7035-01-322-8180
NSN 6130-00-737-0459
NSN 6650-01-076-5232
NSN 6610-01-174-6820
NSN 6620-01-487-0605
NSN 5835-00-228-9082
NSN 6105-01-110-7703
NSN 6110-01-483-1521
NSN 5920-00-624-3049
NSN 5930-00-026-1665