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 5990-00-561-3407
NSN 5835-00-814-1359
NSN 5910-01-505-7775
NSN 5905-01-508-3600
NSN 5945-01-117-5496
NSN 5975-01-555-5198
NSN 5910-00-462-8697
NSN 5930-00-580-2816
NSN 6650-01-259-0164
NSN 6650-01-068-3997
NSN 5996-01-643-7157
NSN 5998-00-140-0119