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 5835-01-360-2657
NSN 5960-00-926-0211
NSN 6610-01-534-6377
NSN 5950-01-536-0047
NSN 5920-00-529-0618
NSN 6110-01-649-1302
NSN 6110-00-879-0810
NSN 6110-01-297-9563
NSN 5950-00-660-9497
NSN 6645-01-150-9847
NSN 5990-01-489-0366
NSN 6130-00-411-9535