Includes
Aircraft Propellers; Propeller Blades, Cams, Cones, Hubs, Nuts, and Spinners; Test Clubs; Synchronizers; Power Control Units; Integral Oil Control Measures and Propeller Governors.

Excludes
Rotary Rudder and Rotary Wing Blades (FSC 1615).

Possible NAICS Codes
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
332812 – Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
332991 – Ball and Roller Bearing Manufacturing

Includes
Galvanizing, Tinning, Oiling, Pickling; Electroplating, and Anodizing Equipment.

Possible NAICS Codes
332813 – Electroplating, Plating, Polishing, Anodizing, and Coloring
333243 – Sawmill, Woodworking, and Paper Machinery Manufacturing
332812 – Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers
333248 – All Other Industrial Machinery Manufacturing
333517 – Machine Tool Manufacturing
332312 – Fabricated Structural Metal Manufacturing
332322 – Sheet Metal Work Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing

Description
Maintenance, Repair and Rebuilding of Equipment: Service and Trade Equipment

Possible NAICS Codes
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
238290 – Other Building Equipment Contractors
236220 – Commercial and Institutional Building Construction
811210 – Electronic and Precision Equipment Repair and Maintenance
561210 – Facilities Support Services
541611 – Administrative Management and General Management Consulting Services
238220 – Plumbing, Heating, and Air-Conditioning Contractors
326299 – All Other Rubber Product Manufacturing
541519 – Other Computer Related Services
333310 – Commercial and Service Industry Machinery Manufacturing

Description
Maintenance, Repair and Rebuilding of Equipment: Brushes, Paints, Sealers, and Adhesives

Possible NAICS Codes
238320 – Painting and Wall Covering Contractors
332812 – Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers
238220 – Plumbing, Heating, and Air-Conditioning Contractors
236220 – Commercial and Institutional Building Construction
424950 – Paint, Varnish, and Supplies Merchant Wholesalers
811121 – Automotive Body, Paint, and Interior Repair and Maintenance
561210 – Facilities Support Services
238390 – Other Building Finishing Contractors
332721 – Precision Turned Product Manufacturing

Description
Maintenance, Repair and Rebuilding of Equipment: Aircraft Launching, Landing, and Ground Handling Equipment

Possible NAICS Codes
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
488190 – Other Support Activities for Air Transportation
811210 – Electronic and Precision Equipment Repair and Maintenance
334418 – Printed Circuit Assembly (Electronic Assembly) Manufacturing
332812 – Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers
561990 – All Other Support Services
928110 – National Security
334419 – Other Electronic Component Manufacturing
921110 – Executive Offices

Excludes
Marking Machines, Laundry; Printing Machine, Labor, Printing Press, Label; Embossing Machines, Office Type; and Marking Machines, Office Type.

Notes
Marking machines which make permanent indentations in metal are classified in group 34.

Possible NAICS Codes
541990 – All Other Professional, Scientific, and Technical Services
333517 – Machine Tool Manufacturing
333248 – All Other Industrial Machinery Manufacturing
332812 – Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
333519 – Rolling Mill and Other Metalworking Machinery Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
323111 – Commercial Printing (except Screen and Books)
339940 – Office Supplies (except Paper) Manufacturing
334111 – Electronic Computer 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
325411 – Medicinal and Botanical Manufacturing
339112 – Surgical and Medical Instrument Manufacturing

Description
Modification of Equipment: Metal Bars, Sheets, and Shapes

Possible NAICS Codes
332812 – Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers
332813 – Electroplating, Plating, Polishing, Anodizing, and Coloring
332811 – Metal Heat Treating
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
332710 – Machine Shops
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
541330 – Engineering Services
339999 – All Other Miscellaneous Manufacturing
336611 – Ship Building and Repairing
332721 – Precision Turned Product Manufacturing

Includes
Sails; Chain Ladders; Rope Ladders; Marine Furniture.

Possible NAICS Codes
336611 – Ship Building and Repairing
441222 – Boat Dealers
332322 – Sheet Metal Work Manufacturing
333618 – Other Engine Equipment Manufacturing
114119 – Other Marine Fishing
332321 – Metal Window and Door Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
332510 – Hardware Manufacturing
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
336612 – Boat Building

Includes
Gun Rifling Machines Speed Lathes.

Possible NAICS Codes
333517 – Machine Tool Manufacturing
332710 – Machine Shops
332510 – Hardware Manufacturing
333515 – Cutting Tool and Machine Tool Accessory Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
332216 – Saw Blade and Handtool Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
423830 – Industrial Machinery and Equipment Merchant Wholesalers
444110 – Home Centers

Description
Other Professional Services

Possible NAICS Codes
493190 – Other Warehousing and Storage
541611 – Administrative Management and General Management Consulting Services
541990 – All Other Professional, Scientific, and Technical Services
541690 – Other Scientific and Technical Consulting Services
541330 – Engineering Services
711510 – Independent Artists, Writers, and Performers
541519 – Other Computer Related Services

Includes
Cork Fabricated Basic Materials; Asbestos Fabricated Materials; Manufactured Mica; Minerals for scientific and technical use (cut but not mounted); Pottery Supplies; Catgut and Wormgut; Vegetable Brush Fibers; Bagasse.

Possible NAICS Codes
327999 – All Other Miscellaneous Nonmetallic Mineral Product Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
325991 – Custom Compounding of Purchased Resins
332510 – Hardware Manufacturing
339950 – Sign Manufacturing
337214 – Office Furniture (except Wood) Manufacturing
333618 – Other Engine Equipment Manufacturing
326199 – All Other Plastics Product Manufacturing
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
322220 – Paper Bag and Coated and Treated Paper Manufacturing

Description
Maintenance, Repair and Rebuilding of Equipment: Metalworking Machinery

Possible NAICS Codes
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
333517 – Machine Tool Manufacturing
332710 – Machine Shops
811210 – Electronic and Precision Equipment Repair and Maintenance
332812 – Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers
332312 – Fabricated Structural Metal Manufacturing

Includes
Offset Presses; Typesetting Machinery; Bookbinding Machinery; Photoengraving Machinery; Printing Type; Rules; Leads, Slugs; Line Gages; Quoins; Plate Hooks; Gelatine Process Machines; Spirit Process Machines; Stencil Process Machines; Offset Process Machines; Photostat Machines; Blueprint Printing and Developing Machines; Print Shop Furniture.

Excludes
Microfilm Machines.

Possible NAICS Codes
339940 – Office Supplies (except Paper) Manufacturing
333248 – All Other Industrial Machinery Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
532420 – Office Machinery and Equipment Rental and Leasing
811210 – Electronic and Precision Equipment Repair and Maintenance
323111 – Commercial Printing (except Screen and Books)
541519 – Other Computer Related Services
325180 – Other Basic Inorganic Chemical Manufacturing
334111 – Electronic Computer Manufacturing
334118 – Computer Terminal and Other Computer Peripheral Equipment Manufacturing

Description
Maintenance, Repair and Rebuilding of Equipment: Ship and Marine Equipment

Possible NAICS Codes
336611 – Ship Building and Repairing
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
811210 – Electronic and Precision Equipment Repair and Maintenance
333618 – Other Engine Equipment Manufacturing
541330 – Engineering Services
488390 – Other Support Activities for Water Transportation
332313 – Plate Work Manufacturing