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 5920-01-180-5440
NSN 5905-01-499-2509
NSN 6105-00-313-2522
NSN 4140-01-288-0764
NSN 5990-00-758-5930
NSN 6240-01-432-5773
NSN 5920-01-187-6100
NSN 6150-00-994-5030
NSN 5945-00-752-5326
NSN 5998-00-739-3289
NSN 5920-01-212-1536
NSN 5920-01-393-5460