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 6105-00-515-0146
NSN 7035-00-096-9986
NSN 6645-01-426-3378
NSN 5975-00-092-8861
NSN 5965-00-882-6949
NSN 5925-00-889-4990
NSN 5915-01-338-3556
NSN 6650-01-646-6909
NSN 5920-00-148-7307
NSN 6150-01-169-2823
NSN 5910-01-139-5085
NSN 6220-01-398-8131