Includes
Light Burner Fuels; Diesel Fuels, Kerosene; Military Specification Type Residuals; Special and Heavy Grade Turbine Vessel Propulsion Fuels; Federal Specification Heavy Burner Fuels; Bunker "C" Commercial Grade Fuel; Heavy Fuel and other Black (Boiler Type) Fuels; Illuminating Oils.

Possible NAICS Codes
324110 – Petroleum Refineries
457210 – Fuel Dealers
324191 – Petroleum Lubricating Oil and Grease Manufacturing
324199 – All Other Petroleum and Coal Products Manufacturing
213112 – Support Activities for Oil and Gas Operations
424720 – Petroleum and Petroleum Products Merchant Wholesalers (except Bulk Stations and Terminals)
333132 – Oil and Gas Field Machinery and Equipment Manufacturing

Possible NAICS Codes
721110 – Hotels (except Casino Hotels) and Motels
561599 – All Other Travel Arrangement and Reservation Services
531110 – Lessors of Residential Buildings and Dwellings
531120 – Lessors of Nonresidential Buildings (except Miniwarehouses)
111120 – Oilseed (except Soybean) Farming

Description
Lease or Rental of Equipment: Refrigeration, Air Conditioning, and Air Circulating Equipment

Possible NAICS Codes
532490 – Other Commercial and Industrial Machinery and Equipment Rental and Leasing
333415 – Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
238220 – Plumbing, Heating, and Air-Conditioning Contractors
532120 – Truck, Utility Trailer, and RV (Recreational Vehicle) Rental and Leasing
484110 – General Freight Trucking, Local
332510 – Hardware Manufacturing
532210 – Consumer Electronics and Appliances Rental
532310 – General Rental Centers
336110 – Automobile and Light Duty Motor Vehicle Manufacturing
532289 – All Other Consumer Goods Rental

Includes
Automotive, Industrial, Marine, Locomotive, and all other types of Diesel and Semi-Diesel Engines.

Excludes
Engines Accessories (FSC 2990).

Possible NAICS Codes
333618 – Other Engine Equipment Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
336390 – Other Motor Vehicle Parts Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
333120 – Construction Machinery Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing

Possible NAICS Codes
531311 – Residential Property Managers
236220 – Commercial and Institutional Building Construction
236118 – Residential Remodelers
238320 – Painting and Wall Covering Contractors
238160 – Roofing Contractors
561210 – Facilities Support Services
561790 – Other Services to Buildings and Dwellings
238220 – Plumbing, Heating, and Air-Conditioning Contractors
541350 – Building Inspection Services
238210 – Electrical Contractors and Other Wiring Installation Contractors

Description
Lease or Rental of Equipment: Ships, Small Craft, Pontoons, and Floating Docks

Possible NAICS Codes
713930 – Marinas
532411 – Commercial Air, Rail, and Water Transportation Equipment Rental and Leasing
483114 – Coastal and Great Lakes Passenger Transportation
488310 – Port and Harbor Operations
483212 – Inland Water Passenger Transportation
541614 – Process, Physical Distribution, and Logistics Consulting Services
488390 – Other Support Activities for Water Transportation
336611 – Ship Building and Repairing
532284 – Recreational Goods Rental
488330 – Navigational Services to Shipping

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

Description
Maintenance, Repair and Rebuilding of Equipment: Valves

Possible NAICS Codes
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
238220 – Plumbing, Heating, and Air-Conditioning Contractors
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
811210 – Electronic and Precision Equipment Repair and Maintenance
332911 – Industrial Valve Manufacturing
488190 – Other Support Activities for Air Transportation
561210 – Facilities Support Services
336611 – Ship Building and Repairing
237110 – Water and Sewer Line and Related Structures Construction
221310 – Water Supply and Irrigation Systems

Includes
Petrolatum, except USP.

Excludes
Rust Preventive Compounds; Antiseizing Compounds; Petrolatum USP.

Possible NAICS Codes
324191 – Petroleum Lubricating Oil and Grease Manufacturing
325510 – Paint and Coating Manufacturing
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing

Description
Hardware, software, and other equipment needed for specialized High Performance Computing (HPC) systems used in solving complex computational problems through massive concurrent use of computing resources and parallel processing techniques.

Includes
Software that is licensed for use indefinitely. This can also be referred to as perpetual, indefinite, permanent, continuous, or ever lasting.

Possible NAICS Codes
541519 – Other Computer Related Services
334111 – Electronic Computer Manufacturing
513210 – Software Publishers
334118 – Computer Terminal and Other Computer Peripheral Equipment Manufacturing
811210 – Electronic and Precision Equipment Repair and Maintenance
423430 – Computer and Computer Peripheral Equipment and Software Merchant Wholesalers
541512 – Computer Systems Design Services

Description
Miscellaneous Battery Retaining Fixtures and Liners

Includes
Battery Boxes, Covers, Liners, Racks, Retainers, and Trays.

Possible NAICS Codes
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
335311 – Power, Distribution, and Specialty Transformer Manufacturing
335910 – Battery Manufacturing
332510 – Hardware Manufacturing
339999 – All Other Miscellaneous Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
326121 – Unlaminated Plastics Profile Shape Manufacturing
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing

Excludes
Potential and Current Transformers.

Notes
This class includes transformers with a kilovolt-ampere rating above 1 kva.

Possible NAICS Codes
335311 – Power, Distribution, and Specialty Transformer Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
334416 – Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing
541519 – Other Computer Related Services
335312 – Motor and Generator Manufacturing
334412 – Bare Printed Circuit Board Manufacturing
221122 – Electric Power Distribution

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
333413 – Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing
334220 – Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
334413 – Semiconductor and Related Device Manufacturing
334417 – Electronic Connector Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
444180 – Other Building Material Dealers
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing

Includes
Air Filters; Oil Filters; Strainers; Cleaners.

Excludes
Fuel Filters (FSC 2915); Items designed for other than Engines.

Notes
Items placed in this FSC should be specifically designed for use on aircraft or guided missile prime movers only.

Possible NAICS Codes
336412 – Aircraft Engine and Engine Parts Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
336411 – Aircraft Manufacturing
336390 – Other Motor Vehicle Parts Manufacturing
488190 – Other Support Activities for Air Transportation
332991 – Ball and Roller Bearing Manufacturing
314999 – All Other Miscellaneous Textile Product Mills
334519 – Other Measuring and Controlling Device Manufacturing
332510 – Hardware Manufacturing