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 5895-01-481-8720
NSN 6645-00-107-8190
NSN 5905-00-473-5644
NSN 5975-01-524-2922
NSN 6610-00-100-1195
NSN 5996-00-142-9033
NSN 6620-00-411-0179
NSN 7035-01-352-6235
NSN 5930-01-130-6180
NSN 6240-00-937-2706
NSN 5950-00-871-5840
NSN 5965-01-222-1420