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 5990-01-368-2604
NSN 5975-01-435-5649
NSN 6145-01-167-6564
NSN 5855-00-688-9954
NSN 2925-01-535-7235
NSN 5960-01-436-2159
NSN 6320-01-362-3037
NSN 6320-01-170-4068
NSN 5975-00-280-3524
NSN 6135-01-417-6539
NSN 6150-01-065-1023
NSN 5999-00-088-5855