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 5999-01-050-7854
NSN 7035-01-110-5745
NSN 5975-01-147-4781
NSN 5960-00-918-2369
NSN 6650-01-602-4345
NSN 6620-01-462-0001
NSN 5855-01-267-2751
NSN 5990-01-426-7350
NSN 5975-01-426-7375
NSN 6135-00-782-6988
NSN 5945-01-056-4142
NSN 5910-01-659-9636