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 5998-01-540-4694
NSN 5945-01-481-3701
NSN 6145-00-398-4405
NSN 7035-00-299-7150
NSN 4140-00-410-2581
NSN 6105-01-098-8381
NSN 7035-01-198-1512
NSN 6610-00-333-8223
NSN 5999-00-789-9504
NSN 5999-01-569-1982
NSN 5930-01-389-9583
NSN 6130-01-095-3169