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 6105-01-464-2602
NSN 5975-00-472-7778
NSN 5950-01-327-4933
NSN 6150-01-526-1020
NSN 6105-00-025-1797
NSN 6105-01-634-0322
NSN 5910-01-440-7916
NSN 6135-01-104-3790
NSN 5855-01-100-3272
NSN 6685-01-188-7157
NSN 6645-00-226-2270
NSN 5965-00-518-0958