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

Excludes
Cable, Fiber Optic.

Possible NAICS Codes
326112 – Plastics Packaging Film and Sheet (including Laminated) Manufacturing
325211 – Plastics Material and Resin Manufacturing
326199 – All Other Plastics Product Manufacturing
326113 – Unlaminated Plastics Film and Sheet (except Packaging) Manufacturing
326130 – Laminated Plastics Plate, Sheet (except Packaging), and Shape Manufacturing
336411 – Aircraft Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
326220 – Rubber and Plastics Hoses and Belting Manufacturing
326121 – Unlaminated Plastics Profile Shape Manufacturing
326111 – Plastics Bag and Pouch 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
238210 – Electrical Contractors and Other Wiring Installation Contractors
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
541330 – Engineering Services
541512 – Computer Systems Design Services
561210 – Facilities Support Services
334519 – Other Measuring and Controlling Device 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
236220 – Commercial and Institutional Building Construction
321992 – Prefabricated Wood Building Manufacturing
238290 – Other Building Equipment Contractors
332510 – Hardware Manufacturing
332322 – Sheet Metal Work Manufacturing

Includes
Business Forms; Record Books; Surveyors' Computation Forms; Electric Accounting Machine (EAM) Cards; Forms approved for use within individual government activities.

Excludes
Standard forms approved for government-wide use.

Possible NAICS Codes
322230 – Stationery Product Manufacturing
339940 – Office Supplies (except Paper) Manufacturing
322120 – Paper Mills
322220 – Paper Bag and Coated and Treated Paper 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
314999 – All Other Miscellaneous Textile Product Mills

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
333310 – Commercial and Service Industry Machinery Manufacturing
336390 – Other Motor Vehicle Parts Manufacturing
332510 – Hardware Manufacturing
333618 – Other Engine Equipment Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
336320 – Motor Vehicle Electrical and Electronic Equipment Manufacturing
313210 – Broadwoven Fabric Mills
333120 – Construction Machinery Manufacturing
336999 – All Other Transportation Equipment Manufacturing

Includes
Rocket Prime Movers, Liquid Type, including Liquid Jet Assisted Takeoff (JATO) Units, for use in aircraft, rockets, and guided missiles; Liquid Propellants encased in consumable containers, intended for insertion into missile propulsion systems as integral parts.

Excludes
Rocket Motors (Solid Propellant Units) (FSC 1337); Liquid Propellants predetermined to specific quantity and quality, but packaged in reusable containers; Solid Propellant Squibs and Cartridges, whether intended for insertion into Liquid Propellant Systems or not (FSC 1337).

Possible NAICS Codes
336415 – Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing
325180 – Other Basic Inorganic Chemical Manufacturing
332710 – Machine Shops
315990 – Apparel Accessories and Other Apparel Manufacturing
321920 – Wood Container and Pallet Manufacturing
326113 – Unlaminated Plastics Film and Sheet (except Packaging) Manufacturing
333248 – All Other Industrial Machinery Manufacturing
333618 – Other Engine Equipment Manufacturing

Includes
Assembled and Unassembled Tanks for storage only; Enclosures for Pressure and Vacuum Tanks; Petroleum Bulk Storage Tanks.

Excludes
Boiler Tanks (FSC 4410); Hot Water Tanks (FSC 4520).

Possible NAICS Codes
326299 – All Other Rubber Product Manufacturing
332420 – Metal Tank (Heavy Gauge) Manufacturing
332313 – Plate Work Manufacturing
444140 – Hardware Retailers
326199 – All Other Plastics Product Manufacturing
326220 – Rubber and Plastics Hoses and Belting Manufacturing
314910 – Textile Bag and Canvas Mills
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
237120 – Oil and Gas Pipeline and Related Structures Construction

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
423710 – Hardware Merchant Wholesalers
314999 – All Other Miscellaneous Textile Product Mills
238290 – Other Building Equipment Contractors
423330 – Roofing, Siding, and Insulation Material Merchant Wholesalers
332510 – Hardware Manufacturing
238310 – Drywall and Insulation Contractors
326150 – Urethane and Other Foam Product (except Polystyrene) Manufacturing
336411 – Aircraft Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment 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

Excludes
Starting Motors for Engines

Possible NAICS Codes
335312 – Motor and Generator Manufacturing
333618 – Other Engine Equipment Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
335314 – Relay and Industrial Control Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
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
332510 – Hardware Manufacturing

Includes
Laboratory Glassware; Laboratory Funnels; Laboratory Furnaces; Glass Beads; Laboratory White Sand; Litmus Paper; Paper Filters; Insect Transfixion Pins; Laboratory Glass Wool; Laboratory Furniture, except Dental Laboratory.

Excludes
Instruments covered by other classes in group 66; Dental Laboratory Equipment; Laboratory Scales and Balances; In Vitro Diagnostic Substances and Reagents.

Possible NAICS Codes
423450 – Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers
339999 – All Other Miscellaneous Manufacturing
334516 – Analytical Laboratory Instrument Manufacturing

Includes
Sensitized Photographic Paper; Special Purpose Photographic Chemicals; Unprocessed Film; Photoflash Lamps.

Excludes
X-Ray Film (Medical Class 6525 or Industrial Class 6653); Electrographic (Facsimile) Paper for direct electrostatic printing or copying (FSC 7530).

Possible NAICS Codes
339999 – All Other Miscellaneous Manufacturing
325992 – Photographic Film, Paper, Plate, Chemical, and Copy Toner Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
323111 – Commercial Printing (except Screen and Books)
339940 – Office Supplies (except Paper) Manufacturing
423410 – Photographic Equipment and Supplies Merchant Wholesalers

Includes
Motion Picture Film, Silent and Sound; Still Picture Film.

Excludes
X-Ray Film (Medical class 6525 or Industrial class 6635); Training and Educational Film (FSC 6910); Processed Microfilm (FSC 7670).

Possible NAICS Codes
512120 – Motion Picture and Video Distribution
512110 – Motion Picture and Video Production
238150 – Glass and Glazing Contractors
326112 – Plastics Packaging Film and Sheet (including Laminated) Manufacturing
326130 – Laminated Plastics Plate, Sheet (except Packaging), and Shape Manufacturing
512250 – Record Production and Distribution
541910 – Marketing Research and Public Opinion Polling
541922 – Commercial Photography

Includes
Household Tints

Possible NAICS Codes
324191 – Petroleum Lubricating Oil and Grease Manufacturing
325130 – Synthetic Dye and Pigment Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
325180 – Other Basic Inorganic Chemical Manufacturing
324110 – Petroleum Refineries
325991 – Custom Compounding of Purchased Resins
325992 – Photographic Film, Paper, Plate, Chemical, and Copy Toner Manufacturing
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
326199 – All Other Plastics Product Manufacturing
211130 – Natural Gas Extraction