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 5910-00-916-8071
NSN 5895-00-081-2219
NSN 5965-00-188-5531
NSN 5895-01-110-6737
NSN 5965-01-536-6730
NSN 6320-01-154-1099
NSN 5935-01-642-3136
NSN 6135-01-193-3892
NSN 5998-01-141-8152
NSN 5985-01-512-0773
NSN 5895-00-814-8462
NSN 5930-00-511-5535