Includes
Plugs; Jacks; Receptacles; Electronic Component Sockets and Associated Accessories.

Excludes
Interconnectors, Fiber Optic.

Possible NAICS Codes
334417 – Electronic Connector Manufacturing
335931 – Current-Carrying Wiring Device Manufacturing
332112 – Nonferrous Forging
444180 – Other Building Material Dealers
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
334419 – Other Electronic Component Manufacturing
336411 – Aircraft Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
333618 – Other Engine Equipment Manufacturing

Includes
Expanded Metal Lath; Airplane Landing Mats; Traction Mats.

Possible NAICS Codes
423610 – Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers
339999 – All Other Miscellaneous Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing

Includes
Rotary, Knife, Toggle. Push Button, Mercury, Thermostatic, and Differential Pressure Switches.

Excludes
Switchgear.

Possible NAICS Codes
335313 – Switchgear and Switchboard Apparatus Manufacturing
334419 – Other Electronic Component Manufacturing
333618 – Other Engine Equipment Manufacturing
335931 – Current-Carrying Wiring Device Manufacturing
332919 – Other Metal Valve and Pipe Fitting Manufacturing
335314 – Relay and Industrial Control Manufacturing
334413 – Semiconductor and Related Device Manufacturing
334512 – Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use
332112 – Nonferrous Forging
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing

Includes
Door Frames; Window Frames; Window Sashes; Eave Troughs (gutters); Gratings; Grilles, Shutters; Fixed Fire Escapes; Mounted Partitions.

Excludes
Plumbing and Associated Components such as Sinks; Wallboard and Items Classified as Furniture.

Notes
Items specified as Wooden are classified in FSC 5520.

Possible NAICS Codes
326122 – Plastics Pipe and Pipe Fitting Manufacturing
444180 – Other Building Material Dealers
332321 – Metal Window and Door Manufacturing
332311 – Prefabricated Metal Building and Component Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
321992 – Prefabricated Wood Building Manufacturing
238290 – Other Building Equipment Contractors
236220 – Commercial and Institutional Building Construction
332312 – Fabricated Structural Metal Manufacturing

Excludes
Cable Assemblies, Fiber Optic

Notes
This class includes only those types of cable, cord, and wire assemblies and sets (and wiring harnesses) used on or with equipment and components 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.

Possible NAICS Codes
334419 – Other Electronic Component Manufacturing
335931 – Current-Carrying Wiring Device Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
444180 – Other Building Material Dealers
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
541519 – Other Computer Related Services
335929 – Other Communication and Energy Wire Manufacturing
334111 – Electronic Computer Manufacturing
336411 – Aircraft Manufacturing

Includes
Permanent Magnets and Magnetostriction Elements; Caps, Clips, and Contacts, Electrical.

Possible NAICS Codes
334419 – Other Electronic Component Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
334416 – Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing
335931 – Current-Carrying Wiring Device Manufacturing
334413 – Semiconductor and Related Device Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
339991 – Gasket, Packing, and Sealing Device Manufacturing
336411 – Aircraft Manufacturing
334417 – Electronic Connector Manufacturing
334111 – Electronic Computer Manufacturing

Description
Electrical and Electronic Assemblies; Boards, Cards, and Associated Hardware

Excludes
circuit card and electronic component assemblies which can be identified to a more definitive Approved Item Name.

Possible NAICS Codes
334412 – Bare Printed Circuit Board Manufacturing
334418 – Printed Circuit Assembly (Electronic Assembly) Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
334419 – Other Electronic Component Manufacturing
444180 – Other Building Material Dealers
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
334111 – Electronic Computer Manufacturing
334220 – Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
334413 – Semiconductor and Related Device Manufacturing

Description
Antennas, Waveguide, and Related Equipment

Includes
Aerials; Mast; Tower Equipment; Attenuators; Couplers; Transmission Lines.

Excludes
Tower Structures.

Possible NAICS Codes
334220 – Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
334419 – Other Electronic Component Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
444180 – Other Building Material Dealers
334290 – Other Communications Equipment Manufacturing
332618 – Other Fabricated Wire Product Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
541519 – Other Computer Related Services
333310 – Commercial and Service Industry Machinery Manufacturing

Includes
Electromagnetic Actuators.

Excludes
Contactors.

Possible NAICS Codes
335314 – Relay and Industrial Control Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
334418 – Printed Circuit Assembly (Electronic Assembly) Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333612 – Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing
333618 – Other Engine Equipment Manufacturing
444180 – Other Building Material Dealers
334413 – Semiconductor and Related Device Manufacturing
334419 – Other Electronic Component Manufacturing

Includes
Conduit; Raceways; Face Plates; Condulets; Outlet and Junction Boxes; Pole Line Hardware, not elsewhere classifiable.

Possible NAICS Codes
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
335932 – Noncurrent-Carrying Wiring Device Manufacturing
335931 – Current-Carrying Wiring Device Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
423610 – Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers
327110 – Pottery, Ceramics, and Plumbing Fixture Manufacturing
238210 – Electrical Contractors and Other Wiring Installation Contractors
332710 – Machine Shops
332510 – Hardware Manufacturing
335311 – Power, Distribution, and Specialty Transformer Manufacturing

Possible NAICS Codes
334310 – Audio and Video Equipment Manufacturing
334220 – Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
334210 – Telephone Apparatus Manufacturing
334290 – Other Communications Equipment Manufacturing
334419 – Other Electronic Component Manufacturing
541519 – Other Computer Related Services
334111 – Electronic Computer Manufacturing
444180 – Other Building Material Dealers
313230 – Nonwoven Fabric Mills
811210 – Electronic and Precision Equipment Repair and Maintenance

Description
Fuses, Arresters, Absorbers, and Protectors

Includes
Fuseholders; Fuse Boxes; Fuse Posts; Fuse Links; Fuse blocks; Current Limiters. Corona Balls, Electrostatic Dischargers.

Excludes
Circuit Breakers.

Possible NAICS Codes
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
335931 – Current-Carrying Wiring Device Manufacturing
335313 – Switchgear and Switchboard Apparatus Manufacturing
333618 – Other Engine Equipment Manufacturing
334220 – Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
334413 – Semiconductor and Related Device Manufacturing
332216 – Saw Blade and Handtool Manufacturing
444180 – Other Building Material Dealers
325612 – Polish and Other Sanitation Good Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing

Includes
Binding Posts; Battery Clips; Stud Terminals; Test Clips.

Excludes
Caps, Electrical; Clips Electrical; and Contacts, Electrical.

Possible NAICS Codes
335931 – Current-Carrying Wiring Device Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
444180 – Other Building Material Dealers
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
333618 – Other Engine Equipment Manufacturing
332991 – Ball and Roller Bearing Manufacturing
334417 – Electronic Connector Manufacturing

Includes
Circuit Breakers and Cutouts.

Excludes
Relays.

Possible NAICS Codes
335313 – Switchgear and Switchboard Apparatus Manufacturing
221118 – Other Electric Power Generation
444180 – Other Building Material Dealers
333618 – Other Engine Equipment Manufacturing
333120 – Construction Machinery Manufacturing
333992 – Welding and Soldering Equipment Manufacturing
334419 – Other Electronic Component Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
334412 – Bare Printed Circuit Board Manufacturing

Includes
Varistors; Resistive Ballast Tubes; Rheostats; Resistor Networks; Resistor Mounting Hardware; Thermistors.

Excludes
Resistance Wire.

Possible NAICS Codes
334416 – Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing
333618 – Other Engine Equipment Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
336411 – Aircraft Manufacturing
333120 – Construction Machinery Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
444180 – Other Building Material Dealers
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing