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 5920-01-068-6768
NSN 6145-01-181-5405
NSN 6685-00-555-4198
NSN 5935-00-451-8843
NSN 6320-01-006-6138
NSN 6150-00-391-1981
NSN 6105-01-533-6266
NSN 6620-00-444-6972
NSN 5835-01-426-6573
NSN 5985-01-479-0323
NSN 6220-01-219-5236
NSN 5996-01-007-9421