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 5985-01-467-8547
NSN 6610-01-009-8828
NSN 5910-01-403-2812
NSN 6110-00-200-8465
NSN 6105-01-327-7354
NSN 5975-01-275-8797
NSN 6320-01-359-3921
NSN 5855-01-254-3041
NSN 6110-00-387-3911
NSN 6685-01-613-0295
NSN 5915-01-200-4239
NSN 5996-01-641-5955