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 5895-01-061-9290
NSN 7035-00-155-9513
NSN 2925-01-100-3694
NSN 6240-01-535-7359
NSN 6220-01-370-5980
NSN 6220-01-367-0832
NSN 5985-00-275-2830
NSN 6110-00-872-8001
NSN 6145-01-546-0216
NSN 6150-00-106-8747
NSN 6110-00-853-3103
NSN 5935-00-678-1917