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.
Classification: Butterfly type taps, cocks and valves of steel, hand operated
NSN 6685-01-312-1612
NSN 5960-01-340-9485
NSN 5950-00-533-8057
NSN 5950-00-752-4478
NSN 6620-01-425-2750
NSN 5965-01-153-1965
NSN 5950-00-623-3611
NSN 6145-01-381-0708
NSN 2925-00-872-4474
NSN 6150-00-051-7287
NSN 5990-00-868-3413
NSN 5915-00-937-8476