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 5915-00-339-7332
NSN 6610-00-764-6627
NSN 5996-01-088-7074
NSN 5835-01-150-6084
NSN 5915-01-389-8302
NSN 5920-01-551-9482
NSN 5915-01-414-2515
NSN 5930-00-156-3700
NSN 6610-01-558-4799
NSN 5910-01-255-1838
NSN 5920-00-833-7245
NSN 6620-00-269-5168