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 5965-01-282-4587
NSN 6620-01-116-3983
NSN 5930-01-625-8880
NSN 6130-01-442-3356
NSN 6240-00-044-5685
NSN 5998-00-595-8594
NSN 5945-01-648-9654
NSN 6150-00-369-8082
NSN 5996-01-158-0086
NSN 6135-01-466-3980
NSN 6610-01-551-0774
NSN 5999-01-054-9517