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 6110-01-170-1298
NSN 5895-01-235-5347
NSN 5960-00-273-3058
NSN 6105-00-180-7884
NSN 2925-00-069-9588
NSN 5920-01-592-3050
NSN 5996-01-297-9385
NSN 5920-01-478-3983
NSN 5895-01-541-8197
NSN 7035-00-050-9962
NSN 6620-01-623-5756
NSN 6105-01-350-9691