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 5930-01-128-2965
NSN 6610-01-310-3313
NSN 5965-01-228-9096
NSN 5895-01-595-5402
NSN 5905-01-100-7513
NSN 5996-01-407-3777
NSN 6240-01-431-5790
NSN 6320-01-523-4954
NSN 5925-01-085-5527
NSN 5985-01-476-8870
NSN 5835-00-405-4560
NSN 6130-01-170-4059