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 5996-01-599-1636
NSN 5950-00-290-0989
NSN 6130-00-811-3799
NSN 5935-01-634-0108
NSN 5920-01-382-9379
NSN 6240-01-524-0510
NSN 5835-00-905-7165
NSN 4140-01-350-4724
NSN 6650-01-260-7427
NSN 5990-01-263-0362
NSN 5835-01-495-0595
NSN 5999-01-270-6110