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 6620-00-672-1957
NSN 5895-00-451-8723
NSN 5930-00-356-3392
NSN 5990-00-469-7654
NSN 6650-01-168-1659
NSN 6685-01-450-8960
NSN 6620-01-651-5425
NSN 5950-00-932-5595
NSN 6130-00-453-4821
NSN 4140-01-100-4652
NSN 6150-01-154-4090
NSN 2925-01-649-7543