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 5996-01-313-3930
NSN 5835-01-384-3206
NSN 5965-00-959-4910
NSN 6220-01-345-8655
NSN 5998-01-310-8739
NSN 5920-00-296-9454
NSN 6135-00-906-0984
NSN 6220-00-070-7242
NSN 5945-00-871-5860
NSN 6610-00-898-0020
NSN 4140-01-367-8058
NSN 6105-00-153-7967