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 copper, hand operated, having a pressure rating of 850 kpa or over
NSN 5920-01-218-1733
NSN 6105-00-488-1519
NSN 5925-01-190-5372
NSN 5935-01-532-7720
NSN 4140-00-710-5660
NSN 6150-01-063-7874
NSN 5999-00-862-0184
NSN 6320-01-086-2602
NSN 5935-00-104-1452
NSN 5965-00-182-7928
NSN 6110-00-703-2023
NSN 5975-01-579-3455