Includes
Paper Building Board; Ceiling Board; Gypsum Board; Insulating Board; Plasterboard; Soundproofing Board; Tar Paper; Wallpaper; Mineral Wool; Glass Wool Batts; Pipe Covering.

Excludes
Electrical Insulation Materials.

Possible NAICS Codes
423330 – Roofing, Siding, and Insulation Material Merchant Wholesalers
314999 – All Other Miscellaneous Textile Product Mills
238290 – Other Building Equipment Contractors
423710 – Hardware Merchant Wholesalers
326150 – Urethane and Other Foam Product (except Polystyrene) Manufacturing
238310 – Drywall and Insulation Contractors
336411 – Aircraft Manufacturing
423840 – Industrial Supplies Merchant Wholesalers
327993 – Mineral Wool Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing

Includes
Abrasive Belts and Belting; Hones; Abrasive Wheels, Multiapplication.

Excludes
Dental Abrasives; Abrasive Cones, and other Abrasive Attachments for equipment.

Possible NAICS Codes
423840 – Industrial Supplies Merchant Wholesalers
327910 – Abrasive Product Manufacturing
335210 – Small Electrical Appliance Manufacturing
333991 – Power-Driven Handtool Manufacturing
333515 – Cutting Tool and Machine Tool Accessory Manufacturing
326220 – Rubber and Plastics Hoses and Belting Manufacturing
423330 – Roofing, Siding, and Insulation Material Merchant Wholesalers
332510 – Hardware Manufacturing
334111 – Electronic Computer Manufacturing

Includes
Roofing (all materials), including Sheet Metal; Roofing Felt; Roll Roofing; Roofing Tile; Shingles.

Excludes
Tar Paper; Bulk Sheet Metal Roofing and Siding; Wood Siding.

Possible NAICS Codes
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
238160 – Roofing Contractors
321113 – Sawmills
236220 – Commercial and Institutional Building Construction

Includes
Cellulose Acetate and other plastics; Bars, Rods, Sheets, and Strips.

Excludes
Cable, Fiber Optic.

Possible NAICS Codes
325211 – Plastics Material and Resin Manufacturing
326199 – All Other Plastics Product Manufacturing
326112 – Plastics Packaging Film and Sheet (including Laminated) Manufacturing
326113 – Unlaminated Plastics Film and Sheet (except Packaging) Manufacturing
326130 – Laminated Plastics Plate, Sheet (except Packaging), and Shape Manufacturing
336411 – Aircraft Manufacturing
326220 – Rubber and Plastics Hoses and Belting Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
326121 – Unlaminated Plastics Profile Shape Manufacturing
326111 – Plastics Bag and Pouch Manufacturing

Includes
Tent Pins; Tent Poles; Multiple purpose covers of woven or unwoven fabrics, not for permanent installation.

Notes
Fitted covers which are specifically designed for use on or with specific individual types of equipment are excluded from this class and are to be classified in the same classes as the items for which they are designed, or in such other classes as are appropriate.

Possible NAICS Codes
314910 – Textile Bag and Canvas Mills
326299 – All Other Rubber Product Manufacturing
337126 – Household Furniture (except Wood and Upholstered) Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
624221 – Temporary Shelters
332311 – Prefabricated Metal Building and Component Manufacturing
339920 – Sporting and Athletic Goods Manufacturing
532289 – All Other Consumer Goods Rental

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

Possible NAICS Codes
236220 – Commercial and Institutional Building Construction
238220 – Plumbing, Heating, and Air-Conditioning Contractors
238160 – Roofing Contractors
238990 – All Other Specialty Trade Contractors
238150 – Glass and Glazing Contractors
561210 – Facilities Support Services
238210 – Electrical Contractors and Other Wiring Installation Contractors
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
238330 – Flooring Contractors
238290 – Other Building Equipment Contractors

Possible NAICS Codes
236220 – Commercial and Institutional Building Construction
561210 – Facilities Support Services
238290 – Other Building Equipment Contractors
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
238160 – Roofing Contractors
238220 – Plumbing, Heating, and Air-Conditioning Contractors
238320 – Painting and Wall Covering Contractors
541350 – Building Inspection Services
238990 – All Other Specialty Trade Contractors
561790 – Other Services to Buildings and Dwellings

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

Possible NAICS Codes
236220 – Commercial and Institutional Building Construction
561210 – Facilities Support Services
238210 – Electrical Contractors and Other Wiring Installation Contractors
236118 – Residential Remodelers
238320 – Painting and Wall Covering Contractors
236210 – Industrial Building Construction
212321 – Construction Sand and Gravel Mining
811490 – Other Personal and Household Goods Repair and Maintenance
238990 – All Other Specialty Trade Contractors
238290 – Other Building Equipment Contractors

Description
Maintenance, Repair and Rebuilding of Equipment: Maintenance and Repair Shop Equipment

Possible NAICS Codes
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
811210 – Electronic and Precision Equipment Repair and Maintenance
561210 – Facilities Support Services
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
334516 – Analytical Laboratory Instrument Manufacturing
238290 – Other Building Equipment Contractors
334290 – Other Communications Equipment Manufacturing
238220 – Plumbing, Heating, and Air-Conditioning Contractors
333310 – Commercial and Service Industry Machinery Manufacturing

Description
Maintenance, Repair and Rebuilding of Equipment: Plumbing, Heating, and Waste Disposal Equipment

Possible NAICS Codes
238220 – Plumbing, Heating, and Air-Conditioning Contractors
561210 – Facilities Support Services
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
236220 – Commercial and Institutional Building Construction
237110 – Water and Sewer Line and Related Structures Construction
334290 – Other Communications Equipment Manufacturing
561790 – Other Services to Buildings and Dwellings

Includes
Water Paints; Oil Paints; Driers; Wood and Wall Fillers; Lacquers, Paint Sealers; Pigments for Coloring; Stains; Turpentine; Paint Removers.

Excludes
Acetone.

Possible NAICS Codes
332312 – Fabricated Structural Metal Manufacturing
325510 – Paint and Coating Manufacturing
325520 – Adhesive Manufacturing
113110 – Timber Tract Operations
332510 – Hardware 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
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
332311 – Prefabricated Metal Building and Component Manufacturing
321992 – Prefabricated Wood Building Manufacturing
236220 – Commercial and Institutional Building Construction
238290 – Other Building Equipment Contractors
332510 – Hardware Manufacturing

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