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 5855-01-426-5589
NSN 6610-01-407-5768
NSN 5999-00-462-7115
NSN 6610-01-250-2811
NSN 6110-01-059-7276
NSN 5945-01-431-8124
NSN 4140-00-613-9209
NSN 5960-01-212-8118
NSN 5895-01-508-5433
NSN 5895-00-218-1355
NSN 7035-00-991-6877
NSN 5975-01-015-2697