Includes
Dimensional Lumber; Wood Flooring; Mine Timbers; Poles; Railroad Ties; Wood Siding; Molding; Stakes.

Excludes
Millwork (FSC 5520); Plywood and Veneer (FSC 5530); Prefabricated Non-Wood Items (FSC 5670).

Possible NAICS Codes
321212 – Softwood Veneer and Plywood Manufacturing
321211 – Hardwood Veneer and Plywood Manufacturing
321113 – Sawmills
321215 – Engineered Wood Member Manufacturing
321912 – Cut Stock, Resawing Lumber, and Planing
321999 – All Other Miscellaneous Wood Product Manufacturing
561720 – Janitorial Services
321920 – Wood Container and Pallet Manufacturing
423310 – Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers
321114 – Wood Preservation

Includes
Leaf Type Vehicular Springs; Suspension Type Shock Absorbers.

Excludes
Vehicular Hardware (FSG 53); Specialized Vehicular Furniture (FSC 2540).

Possible NAICS Codes
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
336211 – Motor Vehicle Body Manufacturing
333618 – Other Engine Equipment Manufacturing
332510 – Hardware Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
333120 – Construction Machinery Manufacturing
336390 – Other Motor Vehicle Parts Manufacturing
336370 – Motor Vehicle Metal Stamping
336360 – Motor Vehicle Seating and Interior Trim Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing

Includes
Nonwood Dimensional Lumber; Flooring; Special Turning and Carvings; Nonwood Veneer.

Excludes
Millwork and Wood Veneer (FSC's 5520 and 5530); Items specified as Wooden (FSC 5510).

Possible NAICS Codes
336611 – Ship Building and Repairing
326199 – All Other Plastics Product Manufacturing
326299 – All Other Rubber Product Manufacturing
321212 – Softwood Veneer and Plywood Manufacturing
332312 – Fabricated Structural Metal Manufacturing
238330 – Flooring Contractors
423310 – Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers
321999 – All Other Miscellaneous Wood Product Manufacturing
314110 – Carpet and Rug Mills
321215 – Engineered Wood Member Manufacturing

Includes
Special Bridge Erection Equipment; Bridge Floats and Pontoons; Tramways; Trestles.

Excludes
Pontoons and Floating Docks (FSC 1945).

Possible NAICS Codes
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
332312 – Fabricated Structural Metal Manufacturing
321999 – All Other Miscellaneous Wood Product Manufacturing
237310 – Highway, Street, and Bridge Construction
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
332313 – Plate Work Manufacturing
325992 – Photographic Film, Paper, Plate, Chemical, and Copy Toner Manufacturing
321215 – Engineered Wood Member 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
Bleachers; Grandstands.

Possible NAICS Codes
423310 – Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers
423610 – Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers
331110 – Iron and Steel Mills and Ferroalloy Manufacturing
332311 – Prefabricated Metal Building and Component Manufacturing
236220 – Commercial and Institutional Building Construction
332312 – Fabricated Structural Metal Manufacturing

Includes
Warming and/or Chilling Tables, Stationary and Portable; Serving Carts; Field and Mobile Baking Ovens; Toasters; Waffle Irons; Grills; Special Aircraft, Marine, and Railway Type Food Cooking Equipment; Utensils with Integral Heating Units; Cafeteria Type Display Cases and Showcases; Soda Fountains; Milk, Soda, and/or Ice Cream Dispensers; Cold Food Counters; Combination Heated-Refrigerated Food Serving Equipment; Carbonators; and other types of refrigerated food serving and display equipment commonly used in cafeterias, mess hall kitchens, and the like.

Excludes
Carts other than Serving; Commissary or Food Store Type Refrigeration Equipment; Commercial Household, or Professional and Scientific Refrigerators; Drinking Fountains; (see class 4110 for items excluded from class 7310).

Notes
This class includes warming and/ or chilling equipment used for the display and serving of food.

Possible NAICS Codes
333241 – Food Product Machinery Manufacturing
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
325211 – Plastics Material and Resin Manufacturing
332215 – Metal Kitchen Cookware, Utensil, Cutlery, and Flatware (except Precious) Manufacturing
337215 – Showcase, Partition, Shelving, and Locker Manufacturing
322230 – Stationery Product 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
327110 – Pottery, Ceramics, and Plumbing Fixture Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
423610 – Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers
332510 – Hardware Manufacturing
238210 – Electrical Contractors and Other Wiring Installation Contractors
332710 – Machine Shops
335311 – Power, Distribution, and Specialty Transformer Manufacturing

Includes
Power Transmission Towers; Radar Towers; Searchlight Towers; Control Towers; Prefabricated Tower Components, such as Anchor Rails, Tie Rods, Braces, Steps, Guy Assemblies; Specialized Tower Hardware.

Possible NAICS Codes
332312 – Fabricated Structural Metal Manufacturing
237130 – Power and Communication Line and Related Structures Construction
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
332311 – Prefabricated Metal Building and Component Manufacturing
326199 – All Other Plastics Product Manufacturing
335139 – Electric Lamp Bulb and Other Lighting Equipment Manufacturing
541512 – Computer Systems Design Services
423690 – Other Electronic Parts and Equipment Merchant Wholesalers
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing

Includes
Engine Dynafocal Suspension Mounts; Engine Cowling Mounts; Engine Mounted Control Assemblies; Pneumatic Starters; Push-Pull Control Assemblies; Specially designed Jet Engine Air, Oil, Anti-icing and Hydraulic Regulators; Valves and Pumps; Starting Units.

Excludes
Exhaust System; (FSC 1560); Jet Engine Hydraulic Reservoirs (FSC 2840); Jet Engine Oil Tanks (FSC 2840); Electrical Starters (FSC 2925); Cockpit Mounted Control Quadrants (FSC 1680); Aircraft Engine Covers (FSC 1730).

Notes
Items classified in this class must be specifically designed for use with aircraft or guided missile prime-movers only.

Possible NAICS Codes
336412 – Aircraft Engine and Engine Parts Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
336411 – Aircraft Manufacturing
332510 – Hardware Manufacturing
333612 – Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing
488190 – Other Support Activities for Air Transportation
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing

Includes
Automotive, Industrial, Marine, Locomotive, and all other types of Diesel and Semi-Diesel Engines.

Excludes
Engines Accessories (FSC 2990).

Possible NAICS Codes
333618 – Other Engine Equipment Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
336390 – Other Motor Vehicle Parts Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
333120 – Construction Machinery Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing