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 6650-01-575-1044
NSN 5998-00-111-1122
NSN 6685-00-354-2086
NSN 5965-00-013-7990
NSN 5950-01-469-8054
NSN 6150-00-908-0782
NSN 6150-01-163-5448
NSN 5999-00-854-6219
NSN 6320-00-149-7570
NSN 7035-01-245-9585
NSN 5960-00-811-7627
NSN 5915-00-964-3993