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 5975-01-531-5481
NSN 5985-01-031-5087
NSN 6150-01-293-7251
NSN 6685-01-406-2049
NSN 6135-01-226-4071
NSN 5895-01-320-4458
NSN 5945-00-903-7498
NSN 5930-01-425-1352
NSN 6110-00-148-0910
NSN 6645-01-592-2557
NSN 5975-01-186-3493
NSN 5999-01-185-7981