Includes
Soldering Irons; Welding Electrodes and Rods; Brazing Fluxes; Soldering Fluxes; Solder.

Possible NAICS Codes
333992 – Welding and Soldering Equipment Manufacturing
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
332216 – Saw Blade and Handtool Manufacturing
331492 – Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)
332117 – Powder Metallurgy Part Manufacturing
331491 – Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding
325199 – All Other Basic Organic Chemical Manufacturing

Description
Other Salvage Services

Possible NAICS Codes
488330 – Navigational Services to Shipping
541330 – Engineering Services
562119 – Other Waste Collection
331492 – Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)
562211 – Hazardous Waste Treatment and Disposal
561990 – All Other Support Services
238910 – Site Preparation Contractors
562111 – Solid Waste Collection
562920 – Materials Recovery Facilities
238990 – All Other Specialty Trade Contractors

Includes
Bars; Leaf; Ribbon, Rods; Tubing.

Excludes
Precious Metals for dental use.

Possible NAICS Codes
331210 – Iron and Steel Pipe and Tube Manufacturing from Purchased Steel
423510 – Metal Service Centers and Other Metal Merchant Wholesalers
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
488190 – Other Support Activities for Air Transportation
332813 – Electroplating, Plating, Polishing, Anodizing, and Coloring
331492 – Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
331110 – Iron and Steel Mills and Ferroalloy Manufacturing
332618 – Other Fabricated Wire Product Manufacturing
332322 – Sheet Metal Work Manufacturing

Includes
Naphtha Solvents; Water Softening Compounds; Tanning Materials, Natural or Synthetic; Dextrines and Starches; Inedible Gelatins; Acetone; Propellant Chemicals, Bulk not specialized solely for Guided Missile Use.

Excludes
Medicinal Chemicals; Gases; Foundry Dextrines; Radiographic and photographic Chemicals; In Vitro Diagnostic Substances and Reagents.

Possible NAICS Codes
324191 – Petroleum Lubricating Oil and Grease Manufacturing
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
325199 – All Other Basic Organic Chemical Manufacturing
325611 – Soap and Other Detergent Manufacturing
325180 – Other Basic Inorganic Chemical Manufacturing
325612 – Polish and Other Sanitation Good Manufacturing
325120 – Industrial Gas Manufacturing
325910 – Printing Ink Manufacturing

Includes
Bullion; Ingot.

Notes
Only bulk material will be identified in this class. Primary Forms are raw unfinished ingots, pigs, that require refinement to be usable and are made of precious metals.

Possible NAICS Codes
331410 – Nonferrous Metal (except Aluminum) Smelting and Refining
331491 – Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
423940 – Jewelry, Watch, Precious Stone, and Precious Metal Merchant Wholesalers

Includes
Alloying additives (Aluminum, Antimony, Copper, and Others).

Excludes
Fuel Inhibiting Additives (FSC 6850).

Notes
Only bulk material will be identified in this class. Additive metal materials are those which are added to metals to improve their characteristics as required (e.g., lead added to steel to improve the machinability).

Possible NAICS Codes
541714 – Research and Development in Biotechnology (except Nanobiotechnology)
331110 – Iron and Steel Mills and Ferroalloy Manufacturing
331492 – Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)
333248 – All Other Industrial Machinery Manufacturing
332510 – Hardware Manufacturing
332311 – Prefabricated Metal Building and Component Manufacturing
332117 – Powder Metallurgy Part Manufacturing
331314 – Secondary Smelting and Alloying of Aluminum
325180 – Other Basic Inorganic Chemical Manufacturing
212290 – Other Metal Ore Mining

Includes
Antifogging Compounds; Wetting Agents; Etching and Fountain Solutions for Lithographing; Blanket Repair Solutions for Lithographing; Antifreeze.

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
Plate, Sheet, Strip, and Foil: Nonferrous Base Metal

Includes
Leaf; Perforated Sheet and Strips.

Possible NAICS Codes
331491 – Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding
488190 – Other Support Activities for Air Transportation
331315 – Aluminum Sheet, Plate, and Foil Manufacturing
331110 – Iron and Steel Mills and Ferroalloy Manufacturing
332313 – Plate Work Manufacturing
423510 – Metal Service Centers and Other Metal Merchant Wholesalers
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
331420 – Copper Rolling, Drawing, Extruding, and Alloying
331221 – Rolled Steel Shape Manufacturing
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing

Possible NAICS Codes
332112 – Nonferrous Forging
488190 – Other Support Activities for Air Transportation
331110 – Iron and Steel Mills and Ferroalloy Manufacturing
331491 – Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding
331315 – Aluminum Sheet, Plate, and Foil Manufacturing
332312 – Fabricated Structural Metal Manufacturing
423510 – Metal Service Centers and Other Metal Merchant Wholesalers
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
333992 – Welding and Soldering Equipment Manufacturing

Includes
Metal Bars and Rods

Excludes
Muck Bar (FSC 9640); Rods for Wire (FSC 9640); Sheet Bar (FSC 9640); Threaded Rods (FSC 5306); Grooved Rod (FSC 5340).

Notes
This class contains bulk material only. Specially designed items should be placed in a more appropriate class. a. Bars are elongated pieces of metal of simple uniform cross-sections usually rectangular, circular, or hexagonal produced by forging or hotrolling, also known as barstock. b. Rods are thin round metal bar, differentiated by dimensional parameters, listed in the item name definition.

Possible NAICS Codes
332111 – Iron and Steel Forging
331110 – Iron and Steel Mills and Ferroalloy Manufacturing
488190 – Other Support Activities for Air Transportation
331315 – Aluminum Sheet, Plate, and Foil Manufacturing
331221 – Rolled Steel Shape Manufacturing
331491 – Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding
332312 – Fabricated Structural Metal Manufacturing
331210 – Iron and Steel Pipe and Tube Manufacturing from Purchased Steel
423510 – Metal Service Centers and Other Metal Merchant Wholesalers
333310 – Commercial and Service Industry Machinery Manufacturing

Includes
Ingots; Slabs.

Notes
Only bulk material will be identified in this class. a. Refinery Forms are raw unfinished ingots, pigs, that require refinement to be usable. b. Intermediate forms are primary products that have been refined to a state that requires further manufacturing processes to its final, usable state.

Possible NAICS Codes
331410 – Nonferrous Metal (except Aluminum) Smelting and Refining
331491 – Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding
331420 – Copper Rolling, Drawing, Extruding, and Alloying
331313 – Alumina Refining and Primary Aluminum Production
336412 – Aircraft Engine and Engine Parts Manufacturing
332710 – Machine Shops
332991 – Ball and Roller Bearing Manufacturing
332813 – Electroplating, Plating, Polishing, Anodizing, and Coloring
332439 – Other Metal Container Manufacturing
331492 – Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)

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
339999 – All Other Miscellaneous Manufacturing
334516 – Analytical Laboratory Instrument Manufacturing

Description
Guard Services

Possible NAICS Codes
561612 – Security Guards and Patrol Services
922120 – Police Protection

Description
Engineering and Technical Services

Includes
Includes: System Engineering, Technical Assistance and Other Services Used to Support the Program Office During the Acquisition Cycle

Excludes
Excludes: Language Translation and Sign Language Interpretation (PSC R608)

Possible NAICS Codes
541330 – Engineering Services
541990 – All Other Professional, Scientific, and Technical Services
541512 – Computer Systems Design Services
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
541690 – Other Scientific and Technical Consulting Services
541620 – Environmental Consulting Services
541611 – Administrative Management and General Management Consulting Services
541519 – Other Computer Related Services
336611 – Ship Building and Repairing
541511 – Custom Computer Programming Services

Description
Equipment and Materials Testing: Chemicals and Chemical Products

Possible NAICS Codes
541380 – Testing Laboratories and Services
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
334516 – Analytical Laboratory Instrument Manufacturing
221310 – Water Supply and Irrigation Systems
621511 – Medical Laboratories
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
238220 – Plumbing, Heating, and Air-Conditioning Contractors
213112 – Support Activities for Oil and Gas Operations
561210 – Facilities Support Services
541690 – Other Scientific and Technical Consulting Services