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 5905-00-432-9476
NSN 5935-01-621-6539
NSN 5895-00-458-2480
NSN 5998-00-061-9238
NSN 6320-01-426-8947
NSN 6220-00-200-7888
NSN 6645-01-238-2718
NSN 5999-00-514-3388
NSN 5895-01-186-3665
NSN 5905-01-480-5271
NSN 5950-00-089-5091
NSN 5910-00-385-1149