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
332991 – Ball and Roller Bearing Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
336412 – Aircraft Engine and Engine Parts Manufacturing

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

Possible NAICS Codes
332813 – Electroplating, Plating, Polishing, Anodizing, and Coloring
332812 – Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers
333248 – All Other Industrial Machinery Manufacturing
333243 – Sawmill, Woodworking, and Paper Machinery Manufacturing
333517 – Machine Tool Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
339950 – Sign Manufacturing
333515 – Cutting Tool and Machine Tool Accessory Manufacturing
423510 – Metal Service Centers and Other Metal Merchant Wholesalers
337126 – Household Furniture (except Wood and Upholstered) 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
811210 – Electronic and Precision Equipment Repair and Maintenance
332812 – Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers
488190 – Other Support Activities for Air Transportation
334418 – Printed Circuit Assembly (Electronic Assembly) Manufacturing
332312 – Fabricated Structural Metal Manufacturing
332813 – Electroplating, Plating, Polishing, Anodizing, and Coloring
541990 – All Other Professional, Scientific, and Technical Services
928110 – National Security

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
333248 – All Other Industrial Machinery Manufacturing
333517 – Machine Tool Manufacturing
541990 – All Other Professional, Scientific, and Technical Services
332812 – Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers
333519 – Rolling Mill and Other Metalworking Machinery Manufacturing
339940 – Office Supplies (except Paper) Manufacturing
423830 – Industrial Machinery and Equipment Merchant Wholesalers
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
323111 – Commercial Printing (except Screen and Books)
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance

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
236220 – Commercial and Institutional Building Construction
811210 – Electronic and Precision Equipment Repair and Maintenance
238290 – Other Building Equipment Contractors
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
333310 – Commercial and Service Industry Machinery Manufacturing
339112 – Surgical and Medical Instrument Manufacturing

Description
Maintenance, Repair and Rebuilding of Equipment: Aircraft Components and Accessories

Possible NAICS Codes
488190 – Other Support Activities for Air Transportation
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
811210 – Electronic and Precision Equipment Repair and Maintenance
541330 – Engineering Services
336411 – Aircraft Manufacturing
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
336412 – Aircraft Engine and Engine Parts Manufacturing
541614 – Process, Physical Distribution, and Logistics Consulting Services

Includes
Gun Rifling Machines Speed Lathes.

Possible NAICS Codes
333517 – Machine Tool Manufacturing
333515 – Cutting Tool and Machine Tool Accessory Manufacturing
332510 – Hardware Manufacturing
332216 – Saw Blade and Handtool Manufacturing
332710 – Machine Shops
444140 – Hardware Retailers
423830 – Industrial Machinery and Equipment Merchant Wholesalers
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
333514 – Special Die and Tool, Die Set, Jig, and Fixture Manufacturing
333248 – All Other Industrial Machinery Manufacturing

Possible NAICS Codes
236220 – Commercial and Institutional Building Construction
561210 – Facilities Support Services
238160 – Roofing Contractors
238320 – Painting and Wall Covering Contractors
238220 – Plumbing, Heating, and Air-Conditioning Contractors
238990 – All Other Specialty Trade Contractors
238210 – Electrical Contractors and Other Wiring Installation Contractors
238290 – Other Building Equipment Contractors
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
237990 – Other Heavy and Civil Engineering Construction

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

Possible NAICS Codes
238320 – Painting and Wall Covering Contractors
811121 – Automotive Body, Paint, and Interior Repair and Maintenance
332812 – Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers
236220 – Commercial and Institutional Building Construction
325510 – Paint and Coating Manufacturing
238390 – Other Building Finishing Contractors
424950 – Paint, Varnish, and Supplies Merchant Wholesalers
238330 – Flooring Contractors

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
811210 – Electronic and Precision Equipment Repair and Maintenance
333618 – Other Engine Equipment Manufacturing
541330 – Engineering Services
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
561990 – All Other Support Services
333923 – Overhead Traveling Crane, Hoist, and Monorail System Manufacturing
488390 – Other Support Activities for Water Transportation
332313 – Plate Work Manufacturing

Description
Support services for end user client computing including Tier 1 and 2 help/service desk, deskside support, adds/moves/changes, workspace technical support, audio/video (A/V, VTC) conferencing, and printer support. A/V and VTC includes support services typically used in conference rooms and dedicated telepresence rooms to enable workforce communications. Printer support includes Managed Print Services (MPS) for multifunction printers (print, scan, fax, copy).

Excludes
Mobile device support.

Possible NAICS Codes
811210 – Electronic and Precision Equipment Repair and Maintenance
541519 – Other Computer Related Services
561210 – Facilities Support Services
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
334111 – Electronic Computer Manufacturing
541330 – Engineering Services
513210 – Software Publishers
238290 – Other Building Equipment Contractors
541512 – Computer Systems Design Services
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing

Possible NAICS Codes
561210 – Facilities Support Services
236220 – Commercial and Institutional Building Construction
238220 – Plumbing, Heating, and Air-Conditioning Contractors
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
238290 – Other Building Equipment Contractors
238320 – Painting and Wall Covering Contractors
236210 – Industrial Building Construction
238210 – Electrical Contractors and Other Wiring Installation Contractors
561720 – Janitorial Services

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
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
332813 – Electroplating, Plating, Polishing, Anodizing, and Coloring
332811 – Metal Heat Treating
332721 – Precision Turned Product Manufacturing
332710 – Machine Shops
332323 – Ornamental and Architectural Metal Work Manufacturing
332312 – Fabricated Structural Metal Manufacturing
332322 – Sheet Metal Work Manufacturing
332321 – Metal Window and Door Manufacturing

Description
Maintenance, Repair and Rebuilding of Equipment: Ships, Small Craft, Pontoons, and Floating Docks

Possible NAICS Codes
336611 – Ship Building and Repairing
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
488390 – Other Support Activities for Water Transportation
336612 – Boat Building
811490 – Other Personal and Household Goods Repair and Maintenance
541330 – Engineering Services
332710 – Machine Shops

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
339950 – Sign Manufacturing
332510 – Hardware Manufacturing
337214 – Office Furniture (except Wood) Manufacturing
325991 – Custom Compounding of Purchased Resins
339999 – All Other Miscellaneous Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
326199 – All Other Plastics Product Manufacturing
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)