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 5945-01-206-4520
NSN 6610-01-451-8096
NSN 6645-00-948-9763
NSN 6145-01-330-4060
NSN 6650-01-367-2949
NSN 5910-01-352-1053
NSN 5999-00-953-4524
NSN 6240-00-683-0725
NSN 5905-00-245-7499
NSN 6130-00-150-7294
NSN 5945-01-281-6524
NSN 6620-00-900-3986