FSC 5810 Communications Security Equipment and Components

FSC 5831 Intercommunication and Public Address Systems, Airborne

FSC 5855 Night Vision Equipment, Emitted and Reflected Radiation

Includes Sighting and Observation Devices, Target Detectors and Locators, Remote Viewing Systems utilizing heat radiation emitted from object(s), associated Radiation Sources, Image Converters and Image Intensifiers, Optical Cells and other components designed for Night Vision Equipment. Holders and Lens used with Infrared Equipment are also included in this FSC.

Excludes Optical Sighting devices which incorporate both day and night viewing characteristics within an integral unit for fire control purpose, nonnight vision type items designed for use with guided missiles, communications, or laboratory equipment, and Optical Elements, such as Lens, Prisms, Windows.

FSC 5811 Other Cryptologic Equipment and Components

FSC 5835 Sound Recording and Reproducing Equipment

Excludes Phonographs, Home Type; Dictating Machines.

FSC 5860 Stimulated Coherent Radiation Devices, Components, and Accessories

FSC 5815 Teletype and Facsimile Equipment

Includes Ticker Tape and Sigtot Equipment.

FSC 5836 Video Recording and Reproducing Equipment

FSC 5865 Electronic Countermeasures, Counter-Countermeasures and Quick Reaction Capability Equipment

FSC 5895 Miscellaneous Communication Equipment

Includes Modems.

Excludes Electronic Countermeasures Equipment.

FSC 5820 Radio and Television Communication Equipment, Except Airborne

Includes Telemetering Equipment.

Excludes Home Type Radio and Television Equipment.

FSC 5840 Radar Equipment, Except Airborne

FSC 5821 Radio and Television Communication Equipment, Airborne

Includes Telemetering Equipment.

FSC 5841 Radar Equipment, Airborne

FSC 5825 Radio Navigation Equipment, Except Airborne

Includes Loran Equipment; Shoran Equipment; Direction Finding Equipment.

FSC 5845 Underwater Sound Equipment

Includes Sonar Equipment; Underwater Listening Equipment; Sonobuoys; Sonobuoy Launchers; Fathometers; Sofar Equipment.

FSC 5826 Radio Navigation Equipment, Airborne

Includes Loran Equipment; Shoran Equipment; Direction Finding Equipment.

FSC 5850 Visible and Invisible Light Communication Equipment

Includes Heliographs.

FSC 5805 Telephone and Telegraph Equipment

FSC 5830 Intercommunication and Public Address Systems, Except Airborne

Includes Wired Audio Systems; Office Type Systems; Shipboard Systems; Tank Systems.