Includes
Insect Screening; Industrial Metal Cloth; Industrial Metal Mesh.

Excludes
Fencing (FSC 5660).

Notes
Metal Screening is a perforated plate or cylinder or a meshed wire fabric usually mounted and used to separate coarse from finer parts.

Possible NAICS Codes
332618 – Other Fabricated Wire Product Manufacturing
332321 – Metal Window and Door Manufacturing
331318 – Other Aluminum Rolling, Drawing, and Extruding
333511 – Industrial Mold Manufacturing
336411 – Aircraft Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
332311 – Prefabricated Metal Building and Component Manufacturing
488190 – Other Support Activities for Air Transportation
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing

Notes
This class includes jigs, fixtures, and templates used in conjunction with the metalworking machinery classified in group 34. Jigs, fixtures, and templates used in conjunction with maintenance and repair shop specialized equipment are classified in group 49.

Possible NAICS Codes
333515 – Cutting Tool and Machine Tool Accessory Manufacturing
333511 – Industrial Mold Manufacturing
333514 – Special Die and Tool, Die Set, Jig, and Fixture Manufacturing
332111 – Iron and Steel Forging
332710 – Machine Shops
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
334516 – Analytical Laboratory Instrument Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing

Includes
Canvas Materials; Plastic Fabrics; Felt Materials; Netting, Plastic and Textile; Oilcloth, Textile Scrap.

Excludes
Carpeting.

Notes
This class includes only textiles in bulk. Excluded from this class are items that are precut or preformed, thus limiting their usefulness to specific applications. Such items are classified in the same class as the item or items for which designed or in such other class as is appropriate.

Possible NAICS Codes
313210 – Broadwoven Fabric Mills
313310 – Textile and Fabric Finishing Mills
315210 – Cut and Sew Apparel Contractors
337121 – Upholstered Household Furniture Manufacturing
313240 – Knit Fabric Mills
339993 – Fastener, Button, Needle, and Pin Manufacturing
313220 – Narrow Fabric Mills and Schiffli Machine Embroidery
314999 – All Other Miscellaneous Textile Product Mills
313110 – Fiber, Yarn, and Thread Mills
315990 – Apparel Accessories and Other Apparel Manufacturing

Includes
Helicopter dynamic components and specially designed parts that transmit power from the aircraft power plant to the rotary wing and rotary rudder. Also included in this class are Rotors; Blades; Rotor Blade, Trim, Tabs; Blade Sets; Yokes; Clutches and Transmissions.

Excludes
Propellers (FSC 1610); Rotor Brake Systems Components (FSC 1630); Rotor Blade Hydraulic Folding System Components (FSC 1650); Hydraulic Servo System Components (FSC 1650).

Notes
This class includes miscellaneous component parts specifically designed for, and used exclusively in, helicopter drive mechanisms and rotor blades when not specifically classified elsewhere in the FSC indexes.

Possible NAICS Codes
336411 – Aircraft Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing

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
333310 – Commercial and Service Industry Machinery Manufacturing
333618 – Other Engine Equipment Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
333515 – Cutting Tool and Machine Tool Accessory Manufacturing
333120 – Construction Machinery Manufacturing
332510 – Hardware Manufacturing
335139 – Electric Lamp Bulb and Other Lighting Equipment Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing

Description
Maintenance, Repair and Rebuilding of Equipment: Instruments and Laboratory Equipment

Possible NAICS Codes
811210 – Electronic and Precision Equipment Repair and Maintenance
334516 – Analytical Laboratory Instrument Manufacturing
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
561210 – Facilities Support Services
541380 – Testing Laboratories and Services
334515 – Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals

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
Drills; Riveters; Portable Electric Saws; Pneumatic Tools; Abrasive Wheels, Cones and other Abrasive Attachments for use only on Hand Held Power Tools.

Possible NAICS Codes
332216 – Saw Blade and Handtool Manufacturing
333991 – Power-Driven Handtool Manufacturing
444110 – Home Centers
332510 – Hardware Manufacturing
333515 – Cutting Tool and Machine Tool Accessory Manufacturing

Possible NAICS Codes
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
336411 – Aircraft Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333924 – Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing
336611 – Ship Building and Repairing
334416 – Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing
333511 – Industrial Mold Manufacturing

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

Notes
This class includes sets, kits, and outfits consisting of several different item classifiable either in a single class or in several classes. Excluded from this class are sets, kits, and outfits consisting of variations (such as size or color) of an item. Classify these items in the same class as the individual item.

Possible NAICS Codes
332216 – Saw Blade and Handtool Manufacturing

Includes
Chisels; Files; Pipe Cutters; Rasps; Saws; Screw Plates; Axes; Hatchets; Machetes.

Possible NAICS Codes
333514 – Special Die and Tool, Die Set, Jig, and Fixture Manufacturing
332216 – Saw Blade and Handtool Manufacturing
332510 – Hardware Manufacturing
333991 – Power-Driven Handtool Manufacturing

Includes
Communication Wire Dispenser Fabricating Machinery; Specialized Logging Equipment; Petroleum Refinery Machinery; Shoemaking Machinery; Production Type Impregnating Equipment.

Excludes
Opthalmic Lens Cutting and Grinding Machinery; Clothing Impregnating Equipment.

Possible NAICS Codes
333248 – All Other Industrial Machinery Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
333517 – Machine Tool Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
332710 – Machine Shops
334516 – Analytical Laboratory Instrument Manufacturing
334513 – Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
334519 – Other Measuring and Controlling Device Manufacturing
333120 – Construction Machinery Manufacturing

Description
Foundry Machinery, Related Equipment and Supplies.

Includes
Molding Machines; Tumbling Mills, Foundry Dextrine; Core Paste.

Excludes
Crucible Furnaces; Cupola Furnaces; Foundry Hand Tools.

Possible NAICS Codes
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
333994 – Industrial Process Furnace and Oven Manufacturing
333248 – All Other Industrial Machinery Manufacturing
332996 – Fabricated Pipe and Pipe Fitting Manufacturing
327999 – All Other Miscellaneous Nonmetallic Mineral Product Manufacturing
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
333511 – Industrial Mold Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
212321 – Construction Sand and Gravel Mining

Includes
Plasticators; Presses; Synthetic Rubber Working Machinery; Tread Extruding Machinery; Vulcanizing Machinery.

Excludes
Protective Covering Laminating Presses; Tire Maintenance and Repair Equipment.

Possible NAICS Codes
333248 – All Other Industrial Machinery Manufacturing
513210 – Software Publishers
326199 – All Other Plastics Product Manufacturing
326291 – Rubber Product Manufacturing for Mechanical Use
326220 – Rubber and Plastics Hoses and Belting Manufacturing
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
334519 – Other Measuring and Controlling Device Manufacturing
334417 – Electronic Connector Manufacturing
333511 – Industrial Mold Manufacturing
326299 – All Other Rubber Product Manufacturing