Includes
Culvert Pipes; Culvert Pipe Connector Bands; Metallic Pipes; Plastic Pipes; Tubes and Rigid Tubing and their assemblies.

Excludes
Air Conditioning-Heating Pipes (FSC 4520); Asbestos and Cement, Bituminized Fiber, Clay and Concrete Pipes (FSC 5630); Conduit Pipes and their assemblies (FSC 5975); Downspout Pipes (FSC 5670); Exhaust Pipes (FSC 1560, 2990, and 4520); Fire Extinguishing Systems Pipes and Tubes and their assemblies (FSC 4210); Flexible Tubing (FSC 4720; Glass Tubing (FSC 6640, and 9340); Laboratory Tubes (FSC 6640); Medical and Surgical Tubes (FSC 6515).

Possible NAICS Codes
336411 – Aircraft Manufacturing
331210 – Iron and Steel Pipe and Tube Manufacturing from Purchased Steel
332996 – Fabricated Pipe and Pipe Fitting Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
331420 – Copper Rolling, Drawing, Extruding, and Alloying
326122 – Plastics Pipe and Pipe Fitting Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
333618 – Other Engine Equipment Manufacturing
488190 – Other Support Activities for Air Transportation
332510 – Hardware 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
Concrete Pipe and Conduit; Clay Pipe and Conduit for underground use; Drain Tile; Nonmetallic Pipe Fittings for underground use.

Excludes
Nonmetallic Pipe, Conduit, and Fittings for laboratory or electrical use; Hose and Tubing, Flexible Nonmetallic.

Possible NAICS Codes
326122 – Plastics Pipe and Pipe Fitting Manufacturing
332996 – Fabricated Pipe and Pipe Fitting Manufacturing
332510 – Hardware Manufacturing
335932 – Noncurrent-Carrying Wiring Device Manufacturing
332919 – Other Metal Valve and Pipe Fitting Manufacturing
237110 – Water and Sewer Line and Related Structures Construction
517810 – All Other Telecommunications
444140 – Hardware Retailers
423610 – Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing

Includes
Bleachers; Grandstands.

Possible NAICS Codes
423310 – Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers
423610 – Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers
332311 – Prefabricated Metal Building and Component Manufacturing
331110 – Iron and Steel Mills and Ferroalloy Manufacturing
236220 – Commercial and Institutional Building Construction

Possible NAICS Codes
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
332313 – Plate Work Manufacturing
325991 – Custom Compounding of Purchased Resins
326199 – All Other Plastics Product Manufacturing
334513 – Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
334519 – Other Measuring and Controlling Device Manufacturing
332111 – Iron and Steel Forging
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
336612 – Boat Building
332312 – Fabricated Structural Metal Manufacturing

Possible NAICS Codes
236220 – Commercial and Institutional Building Construction
238990 – All Other Specialty Trade Contractors
237990 – Other Heavy and Civil Engineering Construction
561210 – Facilities Support Services
237310 – Highway, Street, and Bridge Construction
238210 – Electrical Contractors and Other Wiring Installation Contractors
237110 – Water and Sewer Line and Related Structures Construction
238290 – Other Building Equipment Contractors
238910 – Site Preparation Contractors
238190 – Other Foundation, Structure, and Building Exterior Contractors

Possible NAICS Codes
562119 – Other Waste Collection
236220 – Commercial and Institutional Building Construction
237110 – Water and Sewer Line and Related Structures Construction
562111 – Solid Waste Collection
238990 – All Other Specialty Trade Contractors
561210 – Facilities Support Services
238220 – Plumbing, Heating, and Air-Conditioning Contractors
237310 – Highway, Street, and Bridge Construction
562998 – All Other Miscellaneous Waste Management Services
221320 – Sewage Treatment Facilities

Includes
RESURFACING

Possible NAICS Codes
237310 – Highway, Street, and Bridge Construction
236220 – Commercial and Institutional Building Construction
237990 – Other Heavy and Civil Engineering Construction
115310 – Support Activities for Forestry
238990 – All Other Specialty Trade Contractors

Includes
RESURFACING

Possible NAICS Codes
237310 – Highway, Street, and Bridge Construction
115310 – Support Activities for Forestry
237990 – Other Heavy and Civil Engineering Construction
236220 – Commercial and Institutional Building Construction
238110 – Poured Concrete Foundation and Structure Contractors
561210 – Facilities Support Services
238990 – All Other Specialty Trade Contractors
238910 – Site Preparation Contractors
488210 – Support Activities for Rail Transportation
488490 – Other Support Activities for Road Transportation

Includes
Liquid Level Float Instruments; Revolution Counters; Speedometers; Rotation Measuring Instruments and Apparatus; Oxygen Flow Indicators; Tachometers, including Engine Tachometers.

Excludes
Combination Instruments; (FSC 6695); Meteorological Instruments (FSC 6660); and Automatic Control Valves (FSG 48).

Possible NAICS Codes
334519 – Other Measuring and Controlling Device Manufacturing
334513 – Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
334514 – Totalizing Fluid Meter and Counting Device Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333618 – Other Engine Equipment Manufacturing
334610 – Manufacturing and Reproducing Magnetic and Optical Media
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
333120 – Construction Machinery Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
334516 – Analytical Laboratory Instrument 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
332311 – Prefabricated Metal Building and Component Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
321992 – Prefabricated Wood Building Manufacturing
238290 – Other Building Equipment Contractors
236220 – Commercial and Institutional Building Construction
332312 – Fabricated Structural Metal Manufacturing

Includes
Prefabricated Concrete Placing Forms; Builders' Ladders and Stepladders; Suspension stages.

Excludes
Aircraft Ladders (FSC 1730); Fire Fighting Ladders (FSC 4210); Maintenance Ladders (FSC 4940); Marine Vessel Ladders (FSC 2090); Vehicle Ladders (FSC 2540).

Possible NAICS Codes
532490 – Other Commercial and Industrial Machinery and Equipment Rental and Leasing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
327331 – Concrete Block and Brick Manufacturing
332311 – Prefabricated Metal Building and Component Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
336611 – Ship Building and Repairing
327390 – Other Concrete Product Manufacturing
322211 – Corrugated and Solid Fiber Box Manufacturing
332510 – Hardware Manufacturing
332323 – Ornamental and Architectural Metal Work 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
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
339999 – All Other Miscellaneous Manufacturing
423710 – Hardware Merchant Wholesalers
333618 – Other Engine Equipment Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
336411 – Aircraft Manufacturing
444140 – Hardware Retailers
333120 – Construction Machinery Manufacturing

Includes
Hand Grease Guns; Centralized Lubrication Systems; Hydrostatic Lubricators; Oil and Gasoline Dispensing Pumps; Fuel Oil Dispensing Pumps; Hand Oilers; Grease Dispensers; Pressure Gun Attachments; Sight Feed Lubricators.

Excludes
Alemite and Lubrication Fittings (FSC 4730).

Possible NAICS Codes
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
333618 – Other Engine Equipment Manufacturing
331318 – Other Aluminum Rolling, Drawing, and Extruding
339993 – Fastener, Button, Needle, and Pin Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
332919 – Other Metal Valve and Pipe Fitting Manufacturing
314999 – All Other Miscellaneous Textile Product Mills

Possible NAICS Codes
333310 – Commercial and Service Industry Machinery Manufacturing
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
221320 – Sewage Treatment Facilities
562991 – Septic Tank and Related Services
237110 – Water and Sewer Line and Related Structures Construction
327110 – Pottery, Ceramics, and Plumbing Fixture Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
562998 – All Other Miscellaneous Waste Management Services
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
333996 – Fluid Power Pump and Motor Manufacturing