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 7035-01-581-7449
NSN 6130-00-404-2119
NSN 5930-01-199-9810
NSN 5975-01-170-5633
NSN 6110-00-707-9869
NSN 5998-01-261-3081
NSN 5965-00-232-7395
NSN 4140-01-634-0330
NSN 5930-01-137-6542
NSN 7035-00-679-9027
NSN 5835-01-281-7281
NSN 5930-01-160-8713