Includes
Scrapers; Ditchers; Loaders; Graders; Special Construction Type Earth and Rock Hauling Trucks and Trailers, Special Individual Work and Power Sections of Construction Equipment with a quick connect/disconnect capability. The Power Section is designed to be coupled with a Work Section to form a functional piece of Construction Equipment.

Excludes
Standard Tractors (FSG 24); Trailers (FSC 2330); Trucks (FSC 2320).

Possible NAICS Codes
333120 – Construction Machinery Manufacturing
333924 – Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing
333618 – Other Engine Equipment Manufacturing
423810 – Construction and Mining (except Oil Well) Machinery and Equipment Merchant Wholesalers
333111 – Farm Machinery and Equipment Manufacturing
532412 – Construction, Mining, and Forestry Machinery and Equipment Rental and Leasing
336211 – Motor Vehicle Body Manufacturing
336120 – Heavy Duty Truck Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing

Includes
Automobile Seat Covers; Shock Absorber, Bumper; Windshield Wipers; Bumper Guards; Mirrors, Rear View and Side View; Vehicle Heaters.

Excludes
Speedometers (FSC 6680); Suspension Type Shock Absorbers (FSC 2510).

Possible NAICS Codes
336390 – Other Motor Vehicle Parts Manufacturing
336360 – Motor Vehicle Seating and Interior Trim Manufacturing
333618 – Other Engine Equipment Manufacturing
332510 – Hardware Manufacturing
333120 – Construction Machinery Manufacturing
336211 – Motor Vehicle Body Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
336992 – Military Armored Vehicle, Tank, and Tank Component Manufacturing
336320 – Motor Vehicle Electrical and Electronic Equipment 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
339999 – All Other Miscellaneous Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
423710 – Hardware Merchant Wholesalers
444140 – Hardware Retailers
333618 – Other Engine Equipment Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
336411 – Aircraft Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing

Includes
Adapters; Bends; Caps; Clamps; Connectors; Couplings; Crosses; Elbows; Expansion Joints; Ferrules; Flanges; Laterals; Lubrication Fittings; Manifolds; Nipples; Nozzles; Outlets; Plugs; Reducers; Swing and Swivel Joints; Tees; Traps; Unions; Wyes.

Excludes
Air Conditioning-Heating Fittings (FSC 4520); Bituminized Fiber and Concrete Fittings (FSC 5630); Conduit Boxes and Fittings (FSC 5975); Downspout Fittings (FSC 5670); Medical and Surgical Fittings (FSC 6515); Laboratory Fittings (FSC 6640); Post Caps and Rail Ends (FSC 5660); Machine Thread Bushings and Plugs (FSC 5365).

Possible NAICS Codes
332996 – Fabricated Pipe and Pipe Fitting Manufacturing
332919 – Other Metal Valve and Pipe Fitting Manufacturing
326122 – Plastics Pipe and Pipe Fitting Manufacturing
333618 – Other Engine Equipment Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
333120 – Construction Machinery Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing

Includes
Asphalt Elevators; Asphalt Heaters; Asphalt Kettles; Asphalt Transfer Equipment; Batching Plants; Stabilizing and Compacting Equipment; Concrete Mixers (All Types); Concrete Vibrators; Bituminous and Concrete Pavers; Asphalt Distributors; Sheepsfoot Rollers; Rooters; Rippers; Pile Drivers; Bitumen Heaters; Cable Laying, Lashing, Spinning, and Reeling Equipment.

Excludes
Earth Moving and Excavating Equipment (FSC 3805 & 3810); Pile Driving Attachments for Cranes and Crane-Shovels (FSC 3815); Special Individual Work and Power Sections of Construction Equipment with a quick connect/disconnect capability (FSC 3805)

Possible NAICS Codes
333120 – Construction Machinery Manufacturing
532412 – Construction, Mining, and Forestry Machinery and Equipment Rental and Leasing
423830 – Industrial Machinery and Equipment Merchant Wholesalers
333924 – Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing
444140 – Hardware Retailers
333111 – Farm Machinery and Equipment Manufacturing
212321 – Construction Sand and Gravel Mining
423810 – Construction and Mining (except Oil Well) Machinery and Equipment Merchant Wholesalers
336110 – Automobile and Light Duty Motor Vehicle Manufacturing
236210 – Industrial Building Construction

Includes
Air Duct, Metallic, Nonmetallic, and Textile Fiber Hoses and their assemblies; Flexible Tubing and their assemblies.

Excludes
Conduit and their assemblies (FSC 5975); Laboratory Tubes (FSC 6640); Medical and Surgical Tubes (FSC 6515); Rigid Tubing and their assemblies (FSC 4710).

Possible NAICS Codes
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
326220 – Rubber and Plastics Hoses and Belting Manufacturing
333618 – Other Engine Equipment Manufacturing
336411 – Aircraft Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333120 – Construction Machinery Manufacturing
332919 – Other Metal Valve and Pipe Fitting Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
332510 – Hardware Manufacturing
313320 – Fabric Coating Mills

Includes
Airfield Specialized Trucks and Trailers designed primarily for transporting aircraft assemblies; Trailers: Afterburner, Engine, Propeller, Fuselage, and Wing; Trucks, Aircraft Fuselage and Aircraft Wing; Skids, Engine transport; Stands, Engine Transport; Bomb Trailers, Airfield; Trucks, Crashed Aircraft Removing.

Excludes
Airfield Specialized Lift Trucks (FSC 3930), and Trailers (FSC 2330); Highway Type Trucks (FSC 2320), and Trailers (FSC 2330); Cargo Loading and Unloading Trailers (FSC 2330) and Trucks (FSC 2320).

Notes
This class excludes "vehicular components" such as those listed under FSCs 2520, 2530, 2590.

Possible NAICS Codes
333120 – Construction Machinery Manufacturing
333924 – Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing
336390 – Other Motor Vehicle Parts Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
336212 – Truck Trailer Manufacturing
336110 – Automobile and Light Duty Motor Vehicle Manufacturing
332439 – Other Metal Container Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing

Includes
Angledozers; Augers; Backhoes; Bullclams; Bulldozer-Shovels; Cranes; Grubbers; Loaders; Rakes; Rippers; Rollers; Scarifiers; Snow Removal Units; Snowplowes; Sweepers; Treedozers.

Possible NAICS Codes
333120 – Construction Machinery Manufacturing
333111 – Farm Machinery and Equipment Manufacturing
333618 – Other Engine Equipment Manufacturing
423830 – Industrial Machinery and Equipment Merchant Wholesalers
333112 – Lawn and Garden Tractor and Home Lawn and Garden Equipment Manufacturing
333612 – Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing
336390 – Other Motor Vehicle Parts Manufacturing
333924 – Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing
336110 – Automobile and Light Duty Motor Vehicle Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing

Excludes
Laboratory Centrifuges (FSG 65 and 66); Water Purification Filters (FSC 4610).

Possible NAICS Codes
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
333618 – Other Engine Equipment Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
333120 – Construction Machinery Manufacturing
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
336211 – Motor Vehicle Body Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
336390 – Other Motor Vehicle Parts Manufacturing
333415 – Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing

Includes
Leaf Type Vehicular Springs; Suspension Type Shock Absorbers.

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

Possible NAICS Codes
336211 – Motor Vehicle Body Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
333618 – Other Engine Equipment Manufacturing
336390 – Other Motor Vehicle Parts Manufacturing
332510 – Hardware Manufacturing
333120 – Construction Machinery Manufacturing
336360 – Motor Vehicle Seating and Interior Trim Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
336370 – Motor Vehicle Metal Stamping
332994 – Small Arms, Ordnance, and Ordnance Accessories 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
335931 – Current-Carrying Wiring Device Manufacturing
333618 – Other Engine Equipment Manufacturing
332919 – Other Metal Valve and Pipe Fitting Manufacturing
335314 – Relay and Industrial Control Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
334413 – Semiconductor and Related Device Manufacturing
334512 – Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use
332112 – Nonferrous Forging

Includes
Agricultural Tractors; High Speed Tractors; Industrial Tractors.

Excludes
Aircraft Towing Tractors and Crashed Aircraft Moving Tractors (FSC Class 1740); Aircraft Towing-Power Servicing Tractors (FSC Class 1730); Warehouse Tractors (FSC Class 3930).

Notes
This class includes only complete wheeled tractors, and chassis therefor. Any end items, assemblies, parts, attachments, or accessories, other than complete chassis, for use in or on wheeled tractors, are classified in classes other than this class.

Possible NAICS Codes
333111 – Farm Machinery and Equipment Manufacturing
333112 – Lawn and Garden Tractor and Home Lawn and Garden Equipment Manufacturing
333120 – Construction Machinery Manufacturing
333922 – Conveyor and Conveying Equipment Manufacturing
333924 – Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing
336110 – Automobile and Light Duty Motor Vehicle Manufacturing
423820 – Farm and Garden Machinery and Equipment Merchant Wholesalers
444230 – Outdoor Power Equipment Retailers
339920 – Sporting and Athletic Goods Manufacturing
423830 – Industrial Machinery and Equipment Merchant Wholesalers

Includes
Automotive, Marine, Railroad, and Aircraft Lights and Fixtures.

Excludes
Nonelectrical Vehicular Fixtures.

Possible NAICS Codes
336320 – Motor Vehicle Electrical and Electronic Equipment Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333515 – Cutting Tool and Machine Tool Accessory Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
333618 – Other Engine Equipment Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
335139 – Electric Lamp Bulb and Other Lighting Equipment Manufacturing
333120 – Construction Machinery Manufacturing
332510 – Hardware Manufacturing
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing

Includes
Attachments for Tanks, Self-propelled Weapons, and High Speed Tractors; A-frames and Winches specifically designed for truck mounting; Cranes and Crane Booms for Wrecker Trucks.

Possible NAICS Codes
336992 – Military Armored Vehicle, Tank, and Tank Component Manufacturing
336390 – Other Motor Vehicle Parts Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
332510 – Hardware Manufacturing
333618 – Other Engine Equipment Manufacturing
336320 – Motor Vehicle Electrical and Electronic Equipment Manufacturing
423860 – Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers
336999 – All Other Transportation Equipment Manufacturing
336211 – Motor Vehicle Body Manufacturing
423120 – Motor Vehicle Supplies and New Parts Merchant Wholesalers

Includes
Heat Exchanger Equipment; Refrigerant Strainers; Refrigeration Compressors; Air Conditioning and Refrigeration Servicing Equipment, such as Charging and Testing Manifolds, Lines and Units; Operating Components of Refrigeration and Air Conditioning Equipment, Plants, and Systems classified in classes 4110 and 4120.

Excludes
Refrigeration and Air Conditioning Plants (see classes 4110 and 4120): Collections of Refrigeration Components "packaged" as a unit including a refrigeration compressor, condenser, evaporator, etc., specifically designed and tailored for applications such as walk-in type refrigerators. Individual components of the "packaged" unit will be classified in class 4130, or as otherwise specifically prescribed by the indexes and structure of the FSC. The complete "package" unit will be classified in class 4110.

Possible NAICS Codes
333415 – Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
333618 – Other Engine Equipment Manufacturing
332112 – Nonferrous Forging
333120 – Construction Machinery Manufacturing
238220 – Plumbing, Heating, and Air-Conditioning Contractors
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
423740 – Refrigeration Equipment and Supplies Merchant Wholesalers
333413 – Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing
221330 – Steam and Air-Conditioning Supply
336211 – Motor Vehicle Body Manufacturing