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 6135-00-937-4118
NSN 5910-00-413-0338
NSN 5835-01-237-3769
NSN 5998-01-572-6675
NSN 2925-00-623-3103
NSN 6145-00-840-5577
NSN 6135-01-098-3020
NSN 6645-01-241-4300
NSN 6105-00-891-9768
NSN 5999-01-634-0576
NSN 5855-01-383-6860
NSN 6650-01-150-2595