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 5910-00-104-8320
NSN 6145-01-200-2176
NSN 6685-00-221-5750
NSN 6105-01-540-4568
NSN 6220-00-407-8148
NSN 6145-01-337-5554
NSN 6110-01-047-7730
NSN 4140-00-137-2493
NSN 5998-00-613-7450
NSN 6240-00-104-4662
NSN 6645-01-589-0983
NSN 6610-00-449-2703