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 5965-01-603-0118
NSN 6110-01-559-1259
NSN 5965-01-398-0779
NSN 5920-00-987-1605
NSN 6620-01-346-9340
NSN 2925-00-870-2372
NSN 5905-01-099-9496
NSN 5835-01-017-7486
NSN 5996-00-369-5299
NSN 6105-01-493-2518
NSN 5998-00-011-6618
NSN 6620-01-391-7331