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 5935-00-706-9494
NSN 5920-01-337-7646
NSN 6105-00-384-1693
NSN 7035-00-003-7518
NSN 6620-01-416-1757
NSN 5855-00-185-1560
NSN 5895-01-241-9924
NSN 2925-00-631-1709
NSN 6105-01-383-4501
NSN 6135-01-022-5427
NSN 4140-01-501-5394
NSN 6220-01-012-2191