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 6240-01-267-0345
NSN 6620-01-379-1235
NSN 5945-01-172-2513
NSN 6620-01-109-2764
NSN 5920-01-431-3263
NSN 2925-01-250-2731
NSN 5996-00-195-8082
NSN 5855-01-096-9294
NSN 5835-01-466-5496
NSN 6320-00-506-2314
NSN 5925-01-152-1188
NSN 6110-01-542-9502