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 5915-01-429-8328
NSN 5945-01-216-9909
NSN 5925-01-174-5403
NSN 5835-01-599-1876
NSN 5999-01-293-1301
NSN 2925-00-982-0409
NSN 5999-01-327-3067
NSN 6610-01-487-6843
NSN 5965-01-429-0881
NSN 6645-01-420-8360
NSN 5999-01-106-3041
NSN 5935-00-131-5369