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 5999-01-576-7987
NSN 6645-00-258-8547
NSN 5835-00-757-3558
NSN 5965-01-303-6105
NSN 5925-01-603-8309
NSN 5950-00-394-1546
NSN 6110-01-110-7739
NSN 5920-01-281-7354
NSN 6650-01-135-8835
NSN 6130-01-235-1051
NSN 5920-00-502-6044
NSN 6240-01-175-2919