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.
NSN 6105-00-988-2471
NSN 6685-01-571-2462
NSN 5920-01-620-0120
NSN 5895-01-459-9830
NSN 6320-01-631-7828
NSN 6150-01-547-0391
NSN 5915-00-978-1442
NSN 6145-01-258-6101
NSN 5835-01-614-1900
NSN 5905-01-068-9326
NSN 6110-01-209-9964
NSN 5930-00-689-1400