Includes
Wall Type Fans; Pedestal Type Fans; Household Type and Attic Type Exhaust Fans; Floor Fans; Forced Draft Exhaust and Disposal Kits; Fans; Air Circulators, and Blower Equipment, whether designated as "industrial" or "nonindustrial" by application and/or use.

Excludes
Combination Heater-Fans (see FSC 4520).

Notes
Fans and impellers which are specifically designed for use with specific individual types of equipment are to be classified in the same classes as their next higher assemblies or in the appropriate components or accessories classes (as in group 25 or 29 or class 1680) as prescribed by the indexes and structure of the FSC.

Possible NAICS Codes
333413 – Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing
333414 – Heating Equipment (except Warm Air Furnaces) Manufacturing
333415 – Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
444140 – Hardware Retailers
333120 – Construction Machinery Manufacturing
238220 – Plumbing, Heating, and Air-Conditioning Contractors
333618 – Other Engine Equipment Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
332510 – Hardware Manufacturing

Includes
Electronic Precipitators; Dust Collection Equipment.

Excludes
Fan and Blower Equipment (FSC 4140); Air Conditioning Equipment (FSC 4120).

Possible NAICS Codes
333413 – Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing
333415 – Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
335210 – Small Electrical Appliance Manufacturing
339113 – Surgical Appliance and Supplies Manufacturing
336110 – Automobile and Light Duty Motor Vehicle Manufacturing
444140 – Hardware Retailers
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
339999 – All Other Miscellaneous Manufacturing

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

Notes
This class includes those filters and networks which consist of a combination of resistors, capacitors, or coils, but not a combination of resistors only (classified in 5905). capacitors only (classified in 5910), or coils only (classified in 5950).

Possible NAICS Codes
334419 – Other Electronic Component Manufacturing
334416 – Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing
334220 – Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
333413 – Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing
334417 – Electronic Connector Manufacturing
334413 – Semiconductor and Related Device Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
444180 – Other Building Material Dealers
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing

Includes
Store Type Units; Window and Room Type Units; Marine, and Vehicular Air Conditioning Units; Air Conditioning Plants and Systems.

Excludes
Air Conditioning Components (FSC 4130, or as otherwise specifically prescribed by the indexes and structure of the FSC).

Notes
This class includes only complete air conditioning equipment, systems, and plants. Also included are specially designed nonoperating accessories such as a window panel used with a window type air conditioning unit to facilitate mounting. Excluded from this class are operating components, assemblies, parts, attachments, or accessories for use in or on air conditioning equipment, which are to be classified in FSC 4130, or as otherwise specifically prescribed by the indexes and structure of the FSC.

Possible NAICS Codes
333415 – Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
238220 – Plumbing, Heating, and Air-Conditioning Contractors
423730 – Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers
423710 – Hardware Merchant Wholesalers
335220 – Major Household Appliance Manufacturing
444140 – Hardware Retailers
334290 – Other Communications Equipment Manufacturing
333413 – Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing
221330 – Steam and Air-Conditioning Supply
334512 – Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use

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
334516 – Analytical Laboratory Instrument Manufacturing
339999 – All Other Miscellaneous Manufacturing
339112 – Surgical and Medical Instrument Manufacturing

Includes
Refuse Cans; Sprinkling Cans; Clothes Hampers; Household Basket; Fabric Utility Containers.

Possible NAICS Codes
333310 – Commercial and Service Industry Machinery Manufacturing
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
423710 – Hardware Merchant Wholesalers
332431 – Metal Can Manufacturing
326199 – All Other Plastics Product Manufacturing
325612 – Polish and Other Sanitation Good Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
332439 – Other Metal Container Manufacturing
333413 – Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing
325998 – All Other Miscellaneous Chemical Product and Preparation 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
Sails; Chain Ladders; Rope Ladders; Marine Furniture.

Possible NAICS Codes
336611 – Ship Building and Repairing
441222 – Boat Dealers
333618 – Other Engine Equipment Manufacturing
332322 – Sheet Metal Work Manufacturing
333923 – Overhead Traveling Crane, Hoist, and Monorail System Manufacturing
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
332911 – Industrial Valve Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
333415 – Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance

Includes
Scouring Powders; Washing Compounds; Detergents; Nontoilet Soaps; Automobile Household Polishes and Waxes.

Excludes
Shaving Soap; Toilet-Soap; Abrasive Polishing Compounds; Metal Finishing Abrasives; Surgical Detergents

Possible NAICS Codes
334111 – Electronic Computer Manufacturing
325611 – Soap and Other Detergent Manufacturing
325612 – Polish and Other Sanitation Good Manufacturing
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
312112 – Bottled Water Manufacturing
325320 – Pesticide and Other Agricultural Chemical Manufacturing

Includes
Anesthesia Apparatus; Blood Transfusion Apparatus; Oxygen Therapy Apparatus; Respirators; Orthopedic Supplies; Arch Supports; Clinical Thermometers; Sutures; Hearing Aids; Veterinary Equipment, Endoscopes, Fiber Optic.

Excludes
Ophthalmic Instruments, Equipment, and Supplies; Non-Medical Endoscopes.

Possible NAICS Codes
423450 – Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers
339113 – Surgical Appliance and Supplies Manufacturing
339112 – Surgical and Medical Instrument Manufacturing
325411 – Medicinal and Botanical Manufacturing
334510 – Electromedical and Electrotherapeutic Apparatus Manufacturing

Includes
Truck Mounted and Trailer Mounted Compressors.

Excludes
Refrigeration Compressors (FSC 4130).

Possible NAICS Codes
333912 – Air and Gas Compressor Manufacturing
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
333618 – Other Engine Equipment Manufacturing
333120 – Construction Machinery Manufacturing
333415 – Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333996 – Fluid Power Pump and Motor Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing

Includes
Components for all Engines except Aircraft and Guided Missile Prime Moving.

Excludes
Air and Oil Filters (FSC 4310, 4330), Strainers (FSC 4730), and Cleaners (FSC 4310) not specifically designed for use with engines.

Possible NAICS Codes
333618 – Other Engine Equipment Manufacturing
336390 – Other Motor Vehicle Parts Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
332510 – Hardware Manufacturing
336310 – Motor Vehicle Gasoline Engine and Engine Parts Manufacturing
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
333120 – Construction Machinery 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
444140 – Hardware Retailers
313230 – Nonwoven Fabric Mills
339999 – All Other Miscellaneous Manufacturing
315250 – Cut and Sew Apparel Manufacturing (except Contractors)
339920 – Sporting and Athletic Goods 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