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 5925-01-155-3721
NSN 6650-01-330-6740
NSN 5975-01-250-2940
NSN 5910-00-233-4993
NSN 6105-01-261-4663
NSN 6145-00-275-4046
NSN 7035-00-054-3414
NSN 6645-00-536-1524
NSN 5996-01-442-3676
NSN 6135-01-528-6896
NSN 6645-00-072-9243
NSN 6685-01-089-1715