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 5985-01-300-0821
NSN 5998-01-067-8494
NSN 6150-01-332-9165
NSN 5935-00-872-8846
NSN 5990-01-517-7848
NSN 5905-01-509-8344
NSN 5950-01-078-3552
NSN 5855-01-551-7923
NSN 5920-01-329-8577
NSN 5935-01-336-6226
NSN 5998-00-336-2396
NSN 6105-01-642-5645