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 5999-00-222-8606
NSN 6130-00-270-1024
NSN 5999-01-579-7225
NSN 5990-00-126-9964
NSN 6220-01-406-3167
NSN 5990-01-431-6749
NSN 5985-01-526-4952
NSN 5998-00-067-4316
NSN 2925-01-633-4048
NSN 6240-00-810-3774
NSN 6620-01-185-5541
NSN 6320-01-185-3857