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 6150-00-948-1797
NSN 5835-01-060-6868
NSN 5925-01-485-9235
NSN 5999-00-773-6617
NSN 6110-01-426-6924
NSN 5990-01-133-0351
NSN 6135-00-351-8606
NSN 5965-01-174-6995
NSN 6145-01-614-6065
NSN 6150-01-352-6915
NSN 5895-01-279-8506
NSN 4140-01-433-9403