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 6130-00-361-7114
NSN 5999-00-099-6889
NSN 5950-01-065-0858
NSN 6220-01-422-1429
NSN 5835-01-386-4027
NSN 5945-01-407-2552
NSN 5950-00-836-1461
NSN 5910-01-225-8469
NSN 5998-01-355-8769
NSN 2925-01-174-6786
NSN 5965-01-197-6924
NSN 7035-01-654-0984