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 6240-01-128-4906
NSN 6685-00-156-3054
NSN 5990-00-232-3965
NSN 5930-00-820-9799
NSN 7035-00-020-2227
NSN 5999-00-981-7382
NSN 6105-01-255-8138
NSN 6130-01-312-9469
NSN 4140-00-580-2742
NSN 5855-01-085-5354
NSN 6220-00-814-1598
NSN 5920-00-455-1050