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 5895-00-160-6535
NSN 6650-01-210-9004
NSN 5945-00-336-3166
NSN 5930-00-692-4996
NSN 5965-01-576-1868
NSN 6150-00-171-5078
NSN 5975-00-187-3520
NSN 6105-00-439-5195
NSN 6105-01-336-4882
NSN 6645-00-979-6824
NSN 6220-00-269-4556
NSN 5975-01-205-1843