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 5930-00-420-9060
NSN 6110-01-626-8228
NSN 5998-00-553-9535
NSN 6220-00-463-4812
NSN 6620-00-728-3445
NSN 6135-01-480-5560
NSN 5835-01-468-6170
NSN 5925-00-933-2322
NSN 5895-01-231-3135
NSN 5960-01-254-3541
NSN 6130-00-100-7730
NSN 7035-01-503-2362