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 6130-01-102-6812
NSN 6145-00-846-0974
NSN 6130-00-506-4136
NSN 5935-00-224-6020
NSN 5910-00-601-6253
NSN 6320-00-405-2348
NSN 5905-00-261-8428
NSN 6130-00-112-0716
NSN 6150-01-363-9299
NSN 6110-01-098-7442
NSN 2925-00-536-4574
NSN 5910-01-432-2214