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 6240-01-548-4593
NSN 5855-01-556-7421
NSN 7035-01-152-7331
NSN 5910-01-013-4555
NSN 5855-01-060-2820
NSN 5985-00-198-6900
NSN 6645-01-399-0329
NSN 5985-00-389-9237
NSN 6135-01-322-4655
NSN 5999-01-166-7028
NSN 5925-00-704-4491
NSN 5895-01-367-2683