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 5950-01-028-5425
NSN 5905-01-048-3033
NSN 5998-01-545-8968
NSN 5960-01-371-5494
NSN 5965-01-569-8634
NSN 6220-01-273-0177
NSN 6685-01-339-0438
NSN 5905-01-428-9660
NSN 6150-01-502-9487
NSN 5965-01-374-2376
NSN 6685-01-038-2451
NSN 5835-01-619-6268