Description
Maintenance, Repair and Rebuilding of Equipment: Electrical and Electronic Equipment Components

Possible NAICS Codes
811210 – Electronic and Precision Equipment Repair and Maintenance
541330 – Engineering Services
238210 – Electrical Contractors and Other Wiring Installation Contractors
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
238290 – Other Building Equipment Contractors
561210 – Facilities Support Services
541519 – Other Computer Related Services
238220 – Plumbing, Heating, and Air-Conditioning Contractors
541512 – Computer Systems Design Services

Description
Hardware

Includes
Access Covers; Bumpers; Casters; Cabinet and Door Hardware; Clevises; Hinges; Latches; Straps and Strapping; Turnbuckles; Webbed Straps.

Excludes
Weapons System Hardware (5342).

Notes
Common hardware designed primarily for commercial use will be classified in this FSC. Hardware is the physical, tangible, and permanent components of end items that may not be classified elsewhere. It consists also of common items that are commonly used in construction and/or manufacturing (e.g., hinges, door locks).

Possible NAICS Codes
332510 – Hardware Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
423710 – Hardware Merchant Wholesalers
444110 – Home Centers
339999 – All Other Miscellaneous Manufacturing
333618 – Other Engine Equipment Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
336411 – Aircraft Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333120 – Construction Machinery Manufacturing

Description
Maintenance, Repair and Rebuilding of Equipment: Alarm, Signal, and Security Detection Systems

Possible NAICS Codes
561621 – Security Systems Services (except Locksmiths)
541519 – Other Computer Related Services
334290 – Other Communications Equipment Manufacturing
811210 – Electronic and Precision Equipment Repair and Maintenance
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
238210 – Electrical Contractors and Other Wiring Installation Contractors
541330 – Engineering Services
561210 – Facilities Support Services
541512 – Computer Systems Design Services
334519 – Other Measuring and Controlling Device Manufacturing

Includes
Kitchen Cabinets; Sectional Shelving.

Excludes
Foot Lockers; Filing Cabinets.

Possible NAICS Codes
332510 – Hardware Manufacturing
337215 – Showcase, Partition, Shelving, and Locker Manufacturing
423710 – Hardware Merchant Wholesalers
337214 – Office Furniture (except Wood) Manufacturing
337127 – Institutional Furniture Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
332618 – Other Fabricated Wire Product Manufacturing
332439 – Other Metal Container Manufacturing

Description
Installation of Equipment: Alarm, Signal, and Security Detection Systems

Possible NAICS Codes
561621 – Security Systems Services (except Locksmiths)
541330 – Engineering Services
334290 – Other Communications Equipment Manufacturing
238210 – Electrical Contractors and Other Wiring Installation Contractors
541519 – Other Computer Related Services
561210 – Facilities Support Services
236220 – Commercial and Institutional Building Construction

Description
Other Professional Services

Possible NAICS Codes
493190 – Other Warehousing and Storage
541611 – Administrative Management and General Management Consulting Services
541990 – All Other Professional, Scientific, and Technical Services
541690 – Other Scientific and Technical Consulting Services
541330 – Engineering Services
711510 – Independent Artists, Writers, and Performers
541519 – Other Computer Related Services

Description
Maintenance, Repair and Rebuilding of Equipment: Hardware and Abrasives

Possible NAICS Codes
541519 – Other Computer Related Services
811210 – Electronic and Precision Equipment Repair and Maintenance
561622 – Locksmiths
561210 – Facilities Support Services
332813 – Electroplating, Plating, Polishing, Anodizing, and Coloring
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
423710 – Hardware Merchant Wholesalers
541512 – Computer Systems Design Services
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
334111 – Electronic Computer Manufacturing

Includes
Anti-intrusion Alarm Systems; Foghorns; Gongs; Chimes; Bells; Burglar Alarm Systems; Fire Alarms; Police Alarm Systems; Sounding Devices; Manual Gas Alarms; Landing Wands.

Excludes
Loran; Radar; Sonar; Engine Oil and Fuel Warning Devices; Aircraft Oxygen Warning Devices.

Possible NAICS Codes
561621 – Security Systems Services (except Locksmiths)
334290 – Other Communications Equipment Manufacturing
335311 – Power, Distribution, and Specialty Transformer Manufacturing
334519 – Other Measuring and Controlling Device Manufacturing
334512 – Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use
333120 – Construction Machinery Manufacturing
334220 – Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
333618 – Other Engine Equipment Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing

Description
Facilities Operations Support Services

Possible NAICS Codes
561210 – Facilities Support Services
561720 – Janitorial Services
561920 – Convention and Trade Show Organizers
561730 – Landscaping Services
811490 – Other Personal and Household Goods Repair and Maintenance
238220 – Plumbing, Heating, and Air-Conditioning Contractors
561990 – All Other Support Services

Possible NAICS Codes
236220 – Commercial and Institutional Building Construction
561210 – Facilities Support Services
238160 – Roofing Contractors
238220 – Plumbing, Heating, and Air-Conditioning Contractors
238320 – Painting and Wall Covering Contractors
238210 – Electrical Contractors and Other Wiring Installation Contractors
238990 – All Other Specialty Trade Contractors
238290 – Other Building Equipment Contractors
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
237990 – Other Heavy and Civil Engineering Construction

Includes
Dowel Pins, Split Pins; Spikes; Tacks; Nonoffice Type Staples; Machine Keys; Brads; Shouldered Pins; Cotter Pins; Nails.

Excludes
Shafts (FSC 3040); Lock Keys (FSC 5340).

Notes
Nails, machine keys, and pins, including specially designed, will be classified in this FSC. a. Nails are slender, usually pointed fasteners with a head, and designed for insertion by impact. b. Machine keys are items generally inserted between two items, usually in a groove, to prevent relative rotation, e.g., shaft and hub, c. Pins are cylindrical items of various materials used to align/attach two or more parts together and may allow for angular movement.

Possible NAICS Codes
332510 – Hardware Manufacturing
332618 – Other Fabricated Wire Product Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
336411 – Aircraft Manufacturing
333618 – Other Engine Equipment Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
444140 – Hardware Retailers
332111 – Iron and Steel Forging
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing

Possible NAICS Codes
238320 – Painting and Wall Covering Contractors
561210 – Facilities Support Services
236118 – Residential Remodelers
238990 – All Other Specialty Trade Contractors
238330 – Flooring Contractors
236220 – Commercial and Institutional Building Construction
238140 – Masonry Contractors
238390 – Other Building Finishing Contractors
238220 – Plumbing, Heating, and Air-Conditioning Contractors
811411 – Home and Garden Equipment Repair and Maintenance

Possible NAICS Codes
561210 – Facilities Support Services
236220 – Commercial and Institutional Building Construction
238220 – Plumbing, Heating, and Air-Conditioning Contractors
238290 – Other Building Equipment Contractors
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
238320 – Painting and Wall Covering Contractors
236210 – Industrial Building Construction
541690 – Other Scientific and Technical Consulting Services

Description
Installation of Equipment: Miscellaneous

Possible NAICS Codes
238210 – Electrical Contractors and Other Wiring Installation Contractors
811210 – Electronic and Precision Equipment Repair and Maintenance
541519 – Other Computer Related Services
238290 – Other Building Equipment Contractors
238990 – All Other Specialty Trade Contractors
236220 – Commercial and Institutional Building Construction
334290 – Other Communications Equipment Manufacturing
237130 – Power and Communication Line and Related Structures Construction
561621 – Security Systems Services (except Locksmiths)
339950 – Sign Manufacturing

Description
Installation of Equipment: Hardware and Abrasives

Possible NAICS Codes
561210 – Facilities Support Services
561622 – Locksmiths
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
811210 – Electronic and Precision Equipment Repair and Maintenance
238330 – Flooring Contractors
561621 – Security Systems Services (except Locksmiths)
541990 – All Other Professional, Scientific, and Technical Services
541519 – Other Computer Related Services
541512 – Computer Systems Design Services
531190 – Lessors of Other Real Estate Property