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 5835-00-253-3453
NSN 6150-01-073-9506
NSN 2925-01-285-7163
NSN 6105-01-263-2248
NSN 5998-01-642-3472
NSN 6130-00-617-5516
NSN 6320-00-593-0379
NSN 6110-01-100-7638
NSN 6650-00-930-8825
NSN 5930-01-015-0025
NSN 5985-01-552-4379
NSN 6220-01-484-1992