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59 - Electrical and Electronic Equioment Components


PSC Description 
5905 Resistors 
5910 Capacitors 
5915 Filters & networks 
5920 Fuses, arrestors, absorbers & protectors 
5925 Circuit breakers 
5930 Switches 
5935 Connectors, electrical 
5940 Lugs, terminals & terminal strips 
5945 Relays & solenoids 
5950 Coils & transformers 
5955 Oscillators & piezoelectric crystals 
5960 Electron tubes & associated hardware 
5961 Semiconductor devices & associated hardware 
5962 Microcircuits, electronic 
5963 Electronic modules 
5965 Headsets, handset microphones & speakers 
5970 Electrical insulators & insulating materials 
5975 Electrical hardware & supplies 
5977 Electrical contact brushes & electrodes 
5980 Optoelectronic devices & associated hardware 
5985 Antennas, waveguides & related equipment 
5990 Synchros & resolvers 
5995 Cable, cord & wire assemblies: communication equipment 
5996 Amplifiers 
5998 Electrical & electronic assemblies, boards, cards & associated hardware 
5999 Miscellaneous electrical & electronic components 

GROUP 59 Electrical and Electronic Equipment Components Note-Mounting hardware, included in classes of this group, includes such specially designed items as brackets, holders, retainers, etc. Ex- cluded from classes in this group are such hardware items as screws (Class

5305), bolts (Class

5306), studs (Class

5307), washers (Class

5310), rivets (Class

5320), and other common items indexed to specific classes, other than in Group 59. The FSC indexes and structure will govern the classification of items used on or with mounting hardware cited above.

5905 Resistors Includes Varistors; Resistive ballast Tubes; Rheostats; Resistor Networks; Resistor Mounting Hardware; Ther- mistors. Excludes Resistance Wire.

5910 Capacitors Includes Interference Filter Capacitors; Capacitor Mounting Hardware. Excludes Semiconductor Devices and Associated Hardware.

5915 Filters and Networks Note-This class includes those filters and networks which consist of a combi- nation of resistors, capacitors, or coils, but not a combination of resistors only (classified in

5905), capacitors only (clas- sified in

5910), or coils only (classified in


5920 Fuses, Arrestors, Absorbers, and Protectors Includes Fuseholders; Fuse Boxes; Fuse Posts; Fuse Links; Fuse Blocks; Current Limiters; Corona Balls; Electrostatic Dis- chargers. Excludes Circuit Breakers.

5925 Circuit Breakers Includes Circuit Breakers and Cutouts. Excludes Relays.

5930 Switches Includes Rotary, Knife, Toggle, Push But- ton, Mercury, Thermostatic, and Differen- tial Pressure Switches. Excludes Switchgear.

5935 Connectors, Electrical Includes Plugs; Jacks; Receptacles, Electronic Component Sockets and As- sociated Accessories Excludes Interconnectors, Fiber Optic

5940 Lugs, Terminals, and Terminal Strips Includes Binding Posts; Battery Clips; Stud Terminals; Test Clips. Excludes Caps, Electrical; Clips, Electri- cal; and Contacts, Electrical.

5945 Relays and Solenoids Includes Electromagnetic Actuators. Excludes Contractors.

5950 Coils and Transformers Includes Coils, except ignition and mag- neto; coil assemblies; magnetic amplifi- ers; reactors; transformers.

5955 Oscillators and Piezoelectric Crystals Includes Crystal Units, Processed Un- mounted Crystals, Crystal Controlled Os- cillators and Noncrystal Controlled Oscil- lators Excludes Crystal Controlled Oscillators and Noncrystal Controlled Oscillators which meet the definition of the term electronic module as defined for FSC

5963 and Microcircuits

5960 Electron Tubes and Associated Hardware Includes Rectifying Tubes; Photoelectric Tubes; Electron Vibrator Tubes. Excludes Transistors; Tube Sockets; X-ray Tubes; Semiconductor Devices and Associated Hardware.

5961 Semiconductor Devices and Associated Hardware Includes Semiconductor Assemblies; Semiconductor Diodes; Semiconductor Rectifiers, Semiconductor Thyristors; Transistors; Unitized Semiconductors; Associated Hardware except Sockets. Excludes Microcircuits; Optoelectronic Devices and Associated Hardware.

5962 Microcircuits, Electronic Note-(1) A microcircuit is defined as follows: A small circuit having a high equivalent circuit element density, which is considered as a single part composed of interconnected elements placed and/or formed on or within a single sub- strate to perform an electronic circuit function. The elements may be formed on or within a semiconductor material sub- strate; may consist of conductive film(s) formed on an insulating substrate; or may be a combination of one or both of these types with discrete elements. (2) The term microcircuit , as applied to circuit devices included in this class, is delimited to exclude items consisting solely of inter- connected microcomponents (discrete miniaturized components). Also excluded are items fabricated in the form of mono- lithic thick-film or thin-film structures that in themselves are not functional elec- tronic circuits (e.g., Capacitors, Resis- tors, Transistors, or arrays thereof). Includes Integrated Circuit Devices; Inte- grated Circuit Modules, Integrated Elec- tronic Devices: Hybrid, Magnetic, Mo- lecular, Opto-Electronic, and Thin Film. Excludes Single Circuit Elements such as Capacitors; Resistors; Diodes and Transistors; Printed Circuit Boards and Circuit Card Assemblies; and Filters and Networks.

5963 Electronic Modules Note-The term electronic module as used in this class designates an elec- tronic component designed for use in various equipment or end item applica- tions, and capable of controlling voltage and/or current to produce gain, oscilla- tion, switching, or similar integral elec- tronic functions. It consists of a collection of miniaturized electronic parts and/or el- ements in a single replaceable package with plug-in mounting which will also complete the required electrical connec- tions. It is not normally subject to disas- sembly as distinguished from such items as CIRCUIT CARD ASSEMBLY and ELECTRONIC COMPONENTS ASSEM- BLY. These modules conform to industry or government specifications/standards that define all physical dimensions and electrical parameters required to promote commonality and ensure proper opera- tional performance. Excludes MICROCIRCUITS; Electronic Test Equipment Plug-In Units.

5965 Headsets, Handsets, Microphones and Speakers

5970 Electrical Insulators and Insulating Materials Includes Tube, Knob, Cleat, Strain, and Standoff Insulators; Feed Thru Insulators; Bead Insulators; Varnish Cambric Tape; Friction Tape.

5975 Electrical Hardware and Supplies Includes Conduit; Raceways; Face Plates; Condulets; Outlet and Junction Boxes; Pole Line Hardware, not else- where classifiable.

5977 Electrical Contact Brushes and Electrodes Includes Brushes for electrical rotating equipment; Carbon Stock for Brushes; Brush Arm and Holders; Lighting Elec- trodes. Excludes Anodes; Cathodes; Welding Electrodes.

5980 Optoelectronic Devices and Associated Hardware Includes Optoelectronic devices and as- semblies which display numeric, alpha- numeric, symbolic, or graphic informa- tion, emitters, and nondisplay optoelectronic devices, such as couplers, detectors, and switches which perform an active function in an electronic system Excludes electric lighting fixtures, lamps, and associated hardware

5985 Antennas, Waveguides, and Related Equipment Includes Aerials; Masts; Tower Equip- ment; Attenuators; Couplers; Transmis- sion Lines. Excludes Tower Structures.

5990 Synchros and Resolvers Excludes Synchro Systems; Servo Mechanisms.

5995 Cable, Cord, and Wire Assemblies: Communication Equipment Note-This class includes only those types of cable, cord, and Wire Assem- blies and Sets (and Wiring Harnesses) used on or with equipment and compo- nents covered by Groups 58 and 59. Cable, Cord, Wire Assemblies, and Sets (Wiring Harnesses) used on or with equipment classified in FSC Groups other than Groups 58 or 59 are classified in FSC Class

6150 if multiapplication, or classified with the next higher classifiable assembly if specially designed. Excludes Cable Assemblies, Fiber Optic.

5996 Amplifiers Includes Audio Amplifiers, Complemen- tary Amplifiers, Amplifiers, Operational Amplifiers, Power Amplifiers, Radio Fre- quency Amplifiers, Signal Amplifiers, and Video Amplifiers. Excludes multi-functional items such as Amplifier-Detector, Amplifier-Mixer and microcircuit devices.

5998 Electrical and Electronic assemblies, Boards, Cards, and Associated Hardware Excludes circuit card and electronic com- ponent assemblies which can be identi- fied to a more definitive Approved Item Name.

5999 Miscellaneous Electrical and Electronic Components Includes Permanent Magnets and Mag- netostriction Elements; Caps, Clips, and Contacts, Electrical.