Includes
Domestic and Industrial Vacuum Cleaning Equipment; Carpet Sweepers.

Excludes
Self-propelled and Trailer Mounted Vacuum Cleaners.

Possible NAICS Codes
423850 – Service Establishment Equipment and Supplies Merchant Wholesalers
331222 – Steel Wire Drawing

Includes
Curtains; Specialized Hardware and Fittings for Curtains, Draperies, Venetian Blinds, and Window Shades.

Possible NAICS Codes
331222 – Steel Wire Drawing
337920 – Blind and Shade Manufacturing
314120 – Curtain and Linen Mills
314910 – Textile Bag and Canvas Mills
449122 – Window Treatment Retailers
313210 – Broadwoven Fabric Mills
238190 – Other Foundation, Structure, and Building Exterior Contractors
337215 – Showcase, Partition, Shelving, and Locker Manufacturing
238390 – Other Building Finishing Contractors
337214 – Office Furniture (except Wood) Manufacturing

Includes
Portable Fire Escapes; Safety Nets, Nonbuoyant.

Excludes
Divers' Suits; Fixed Fire Escapes

Possible NAICS Codes
333310 – Commercial and Service Industry Machinery Manufacturing
339115 – Ophthalmic Goods Manufacturing
423830 – Industrial Machinery and Equipment Merchant Wholesalers
339113 – Surgical Appliance and Supplies Manufacturing
315990 – Apparel Accessories and Other Apparel Manufacturing
313230 – Nonwoven Fabric Mills
444140 – Hardware Retailers
339999 – All Other Miscellaneous Manufacturing
315250 – Cut and Sew Apparel Manufacturing (except Contractors)
444110 – Home Centers

Possible NAICS Codes
238990 – All Other Specialty Trade Contractors
332618 – Other Fabricated Wire Product Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
332323 – Ornamental and Architectural Metal Work Manufacturing
561621 – Security Systems Services (except Locksmiths)
331222 – Steel Wire Drawing
321999 – All Other Miscellaneous Wood Product Manufacturing
423390 – Other Construction Material Merchant Wholesalers
236220 – Commercial and Institutional Building Construction
332312 – Fabricated Structural Metal 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
333120 – Construction Machinery Manufacturing
332510 – Hardware Manufacturing
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing

Includes
Bead Chain; Weldless Chain; Single Leg Chain Assemblies; Wire Rope; Wire Cord; Single Leg Wire Assemblies.

Excludes
Power Transmission Chain (FSC 3020); Slings.

Notes
Chain and wire rope, with attachments or terminations will be classified in this class when they are for general use. a. Chain is a series of flexible links and/or rings fitted into one another used for supporting, lifting, restraining, dragging, or transmitting power. b. Wire rope is formed from strands of twisted wire.

Possible NAICS Codes
332618 – Other Fabricated Wire Product Manufacturing
314994 – Rope, Cordage, Twine, Tire Cord, and Tire Fabric Mills
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
332111 – Iron and Steel Forging
332510 – Hardware Manufacturing
336411 – Aircraft Manufacturing
331221 – Rolled Steel Shape Manufacturing
333618 – Other Engine Equipment Manufacturing
336211 – Motor Vehicle Body Manufacturing

Excludes
Wire having electrical resistivity or conductivity rating.

Possible NAICS Codes
331491 – Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding
112511 – Finfish Farming and Fish Hatcheries
332618 – Other Fabricated Wire Product Manufacturing
331420 – Copper Rolling, Drawing, Extruding, and Alloying
331318 – Other Aluminum Rolling, Drawing, and Extruding
331222 – Steel Wire Drawing
332323 – Ornamental and Architectural Metal Work Manufacturing
326112 – Plastics Packaging Film and Sheet (including Laminated) Manufacturing
334220 – Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing

Includes
Dowel Pins, Split Pins; Spikes; Tacks; Nonoffice Type Staples; Machine Keys; Brads; Shouldered Pins; Cotter Pins; Nails.

Excludes
Shafts (FSC 3040); Lock Keys (FSC 5340).

Notes
Nails, machine keys, and pins, including specially designed, will be classified in this FSC. a. Nails are slender, usually pointed fasteners with a head, and designed for insertion by impact. b. Machine keys are items generally inserted between two items, usually in a groove, to prevent relative rotation, e.g., shaft and hub, c. Pins are cylindrical items of various materials used to align/attach two or more parts together and may allow for angular movement.

Possible NAICS Codes
332510 – Hardware Manufacturing
332618 – Other Fabricated Wire Product Manufacturing
336411 – Aircraft Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333618 – Other Engine Equipment Manufacturing
444140 – Hardware Retailers
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
332111 – Iron and Steel Forging
213113 – Support Activities for Coal Mining

Includes
Control Assemblies, Push-Pull; Brace, Positioning Cargo Ramp Stowed on Board; Cockpit Mounted Control Quadrants; Actuators, Electromechanical and Mechanical; Ventilators; Relief Tubes; Map Holders; Aerial Glider Towing Accessories Attached to Aircraft; Belts, Safety and Lap; Harness, Shoulder and Safety; Litter Attaching Supports; Electric Windshield Wipers; Aircraft Onboard Inert Gas Generators; Aircraft Furniture; Aircraft Mounted Winches and Hoists; In-Flight Refueling System Components, including Fuel Components; Aircraft Curtains; Cable Tension Regulators; Sun Visors; Rear-View Mirrors; Mechanical Transmissions, Gearboxes and Constant Speed Drives Specially Designed for Aircraft.

Excludes
Engine Mounted Control Assemblies; Fitted Covers, Aircraft Pylons; Helicopter Rotor Brake System Components; Helicopter Automatic Stabilization Equipment.

Possible NAICS Codes
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
336411 – Aircraft Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
488190 – Other Support Activities for Air Transportation
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing

Includes
Squeegees; Whisk Brooms.

Excludes
Hair Brushes; Toothbrushes; Paint and Artists' Brushes.

Possible NAICS Codes
325611 – Soap and Other Detergent Manufacturing
339994 – Broom, Brush, and Mop Manufacturing
313230 – Nonwoven Fabric Mills
314999 – All Other Miscellaneous Textile Product Mills
332510 – Hardware Manufacturing

Includes
Kitchen Cabinets; Sectional Shelving.

Excludes
Foot Lockers; Filing Cabinets.

Possible NAICS Codes
332510 – Hardware Manufacturing
337215 – Showcase, Partition, Shelving, and Locker Manufacturing
423710 – Hardware Merchant Wholesalers
337214 – Office Furniture (except Wood) Manufacturing
337127 – Institutional Furniture Manufacturing
444140 – Hardware Retailers
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
332439 – Other Metal Container 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
Hardening, Annealing, Tempering, Normalizing, Cyaniding, and Carburizing Equipment; Furnaces, Flue Welding, Non- Thermal Stress Relieving Systems.

Possible NAICS Codes
332710 – Machine Shops
333994 – Industrial Process Furnace and Oven Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
332811 – Metal Heat Treating
332813 – Electroplating, Plating, Polishing, Anodizing, and Coloring
332721 – Precision Turned Product Manufacturing
333517 – Machine Tool Manufacturing
332322 – Sheet Metal Work Manufacturing
331222 – Steel Wire Drawing
423830 – Industrial Machinery and Equipment Merchant Wholesalers

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
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
332321 – Metal Window and Door Manufacturing
332618 – Other Fabricated Wire Product Manufacturing
331318 – Other Aluminum Rolling, Drawing, and Extruding
333511 – Industrial Mold Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
336411 – Aircraft Manufacturing
334519 – Other Measuring and Controlling Device Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
332311 – Prefabricated Metal Building and Component Manufacturing