Includes Periscopes for Submarines; Range and Height Finders; Telescopic Sights; Optical Instruments Integrated with Fire Control Equipment.
Includes Turret, Gun, Torpedo Mount, and Searchlight Indicating Equipment; Target Designating Equipment; Synchro Systems.
Includes Fire Control Transmitters, Transmitter-Receivers, Receivers, Receiver-Regulators.
Excludes Fire Control Transmitting and Receiving Equipment, Specially Designed for use on or with Fire Control Radar Equipment.
Includes Turrets, Aircraft; Computers, specifically designed; Complete Gyro Mechanisms.
Excludes Gun Chargers; Ammunition Boxes; Gun Heaters; Field and Link Chutes; Ammunition Boosters; Gyro Components; Complete Fire Control Systems.
Includes Computers, specifically designed; Complete Gyro Mechanisms; Optical Instruments for Bombing Fire Control.
Excludes Gyro Components; Optical Elements, such as Lens, Prisms, Filters.
Includes Radar Sets, Assemblies, Subassemblies, and Components Specially Designed for use on or with Fire Control Equipment.
Includes Fuze Setters; Ordnance Cable Systems; Aiming Circles; Flash and Sound Ranging Sets; Fire Control Components and Subassemblies Not Classifiable in Other Classes of Group 12.