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 5915-01-195-4608
NSN 5975-01-247-7347
NSN 5965-00-234-7338
NSN 5950-01-447-2839
NSN 5975-01-373-1724
NSN 5915-00-008-7148
NSN 2925-00-899-4261
NSN 5915-01-096-5517
NSN 5990-00-102-7423
NSN 6650-00-126-3002
NSN 5960-00-295-5413
NSN 2925-01-161-2325