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 steel, hand operated
NSN 5960-00-161-3728
NSN 6610-01-010-4516
NSN 4140-01-563-1621
NSN 5950-01-028-9571
NSN 5835-01-180-9441
NSN 6105-00-581-5331
NSN 5855-01-470-6492
NSN 5905-01-548-5437
NSN 6645-01-434-9993
NSN 5935-00-816-9923
NSN 6220-00-110-1985
NSN 6645-00-679-8203