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 6110-00-813-8632
NSN 6220-01-567-6932
NSN 5950-00-756-4382
NSN 6135-00-519-1325
NSN 5960-00-553-7338
NSN 5945-01-128-6993
NSN 5950-01-162-5691
NSN 6130-01-519-9337
NSN 7035-00-981-7216
NSN 5905-01-025-9756
NSN 5950-00-229-9800
NSN 5930-00-003-3466