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 6130-00-558-6112
NSN 6320-01-132-2746
NSN 6135-01-174-4863
NSN 5920-00-655-1154
NSN 5965-01-224-3865
NSN 5996-01-242-6634
NSN 6610-00-003-7899
NSN 2925-01-353-3928
NSN 6320-00-456-2092
NSN 5960-01-147-8842
NSN 6220-01-382-7686
NSN 5935-01-530-5566