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 5960-01-196-9203
NSN 7035-00-703-3535
NSN 5905-01-437-2914
NSN 5925-01-254-2578
NSN 6610-01-330-4903
NSN 4140-00-854-8871
NSN 5920-01-495-3535
NSN 5925-01-407-7815
NSN 5945-01-451-4305
NSN 2925-00-448-3102
NSN 4140-01-420-6817
NSN 5930-01-172-4552