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 5935-00-168-4499
NSN 6620-01-232-8550
NSN 5920-01-141-6885
NSN 6105-01-190-5507
NSN 6685-00-789-3404
NSN 5925-01-281-8076
NSN 6110-01-563-2753
NSN 6135-01-222-0703
NSN 6685-01-579-5420
NSN 6320-01-600-5808
NSN 5930-01-358-5800
NSN 6320-01-345-5818