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 6645-01-435-8356
NSN 6130-00-159-1104
NSN 5999-01-107-2660
NSN 5999-01-566-0804
NSN 5950-01-321-1907
NSN 5905-01-250-3287
NSN 5925-00-225-9513
NSN 5855-01-407-5761
NSN 5930-01-390-2664
NSN 5920-00-433-6596
NSN 5925-01-607-4903
NSN 5920-01-062-2994