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 iron, hand operated
NSN 6645-01-357-1393
NSN 6645-01-514-7901
NSN 5965-01-396-3184
NSN 2925-01-150-2568
NSN 5930-00-854-2600
NSN 5935-00-228-2754
NSN 5998-01-414-6363
NSN 5965-00-905-5197
NSN 5999-00-833-2317
NSN 5965-01-113-7400
NSN 5905-01-078-1338
NSN 5930-01-021-5594