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 5965-01-113-9061
NSN 6685-00-984-1302
NSN 6135-01-101-5039
NSN 5925-00-081-9135
NSN 5905-01-537-5397
NSN 6320-01-466-4175
NSN 7035-00-442-1869
NSN 6610-01-391-6781
NSN 6685-01-176-6869
NSN 6620-01-083-4672
NSN 5930-01-224-5795
NSN 5915-01-499-5242