Includes
Adapters; Bends; Caps; Clamps; Connectors; Couplings; Crosses; Elbows; Expansion Joints; Ferrules; Flanges; Laterals; Lubrication Fittings; Manifolds; Nipples; Nozzles; Outlets; Plugs; Reducers; Swing and Swivel Joints; Tees; Traps; Unions; Wyes.

Excludes
Air Conditioning-Heating Fittings (FSC 4520); Bituminized Fiber and Concrete Fittings (FSC 5630); Conduit Boxes and Fittings (FSC 5975); Downspout Fittings (FSC 5670); Medical and Surgical Fittings (FSC 6515); Laboratory Fittings (FSC 6640); Post Caps and Rail Ends (FSC 5660); Machine Thread Bushings and Plugs (FSC 5365).

Possible NAICS Codes
332996 – Fabricated Pipe and Pipe Fitting Manufacturing
332919 – Other Metal Valve and Pipe Fitting Manufacturing
326122 – Plastics Pipe and Pipe Fitting Manufacturing
333618 – Other Engine Equipment Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
333120 – Construction Machinery Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product 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
325611 – Soap and Other Detergent Manufacturing
325199 – All Other Basic Organic Chemical Manufacturing
325180 – Other Basic Inorganic Chemical Manufacturing
325612 – Polish and Other Sanitation Good Manufacturing
325910 – Printing Ink Manufacturing

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
331110 – Iron and Steel Mills and Ferroalloy Manufacturing
541714 – Research and Development in Biotechnology (except Nanobiotechnology)
332311 – Prefabricated Metal Building and Component Manufacturing
488190 – Other Support Activities for Air Transportation
325199 – All Other Basic Organic Chemical Manufacturing
331314 – Secondary Smelting and Alloying of Aluminum
331315 – Aluminum Sheet, Plate, and Foil Manufacturing
331492 – Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)
332117 – Powder Metallurgy Part Manufacturing
332312 – Fabricated Structural Metal Manufacturing

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

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
331313 – Alumina Refining and Primary Aluminum Production
331420 – Copper Rolling, Drawing, Extruding, and Alloying
336412 – Aircraft Engine and Engine Parts Manufacturing
331110 – Iron and Steel Mills and Ferroalloy Manufacturing
331314 – Secondary Smelting and Alloying of Aluminum
331492 – Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)
332439 – Other Metal Container Manufacturing
313310 – Textile and Fabric Finishing Mills

Description
Guns, 75 mm through 125 mm

Includes
Breech Mechanisms; Mounts; Rammers.

Possible NAICS Codes
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
332710 – Machine Shops
336992 – Military Armored Vehicle, Tank, and Tank Component Manufacturing
332111 – Iron and Steel Forging
339993 – Fastener, Button, Needle, and Pin Manufacturing
339991 – Gasket, Packing, and Sealing Device Manufacturing
333515 – Cutting Tool and Machine Tool Accessory Manufacturing

Description
Guns, over 150 mm through 200 mm Includes Firing Platforms; Mounts; Gun Shields.

Includes
[Firing Platforms; Mounts; Gun Shields.]

Possible NAICS Codes
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
332710 – Machine Shops
332111 – Iron and Steel Forging
339993 – Fastener, Button, Needle, and Pin Manufacturing
333515 – Cutting Tool and Machine Tool Accessory Manufacturing
321920 – Wood Container and Pallet Manufacturing
339991 – Gasket, Packing, and Sealing Device Manufacturing
339994 – Broom, Brush, and Mop Manufacturing

Includes
Impulse Cartridges; Delay Cartridges; Engine Starter Cartridges (explosive filled); Fire Extinguisher Cartridges (used to activate by remote control); Aircraft Ejection Seat Catapults; Rocket Motors (Solid Propellant Units) for Aircraft Ejection Seats; Aircraft Canopy Removers; Thrusters, propellant and cartridge actuated; Initiators; Explosive Bolts and Explosive Bolt Cartridges; Cutters, cartridge or propellant actuated, Reefing Line; Powder actuated Tool Cartridges; Explosive Loaded Devices and Components which are not specifically classified elsewhere.

Excludes
Liquid Propellant Fuels and Oxidizers; Solid Propellants, encased in consumable containers for insertion into missile propulsion systems as an integral part; Guided Missile Explosive Devices; Bulk and Solid Propellants, predetermined to specific quantity and quality, packaged in reusable containers; Blasting and Demolition Materials; Rocket Motors, Warheads and Propulsion Sections for Rockets and Guided Missiles.

Notes
This class includes safety-in-flight explosive items, consisting of a quantity of propellant (either encased in a cartridge or in molded form) and a means of activation, designed to be inserted into or attached to one or more devices to provide the energy required to operate devices requiring a time delay, or not requiring a time delay, in their operating sequence. Also included are devices designed to utilize energy generated by the items described above.

Possible NAICS Codes
325920 – Explosives Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
315990 – Apparel Accessories and Other Apparel Manufacturing
332710 – Machine Shops
332992 – Small Arms Ammunition Manufacturing
332993 – Ammunition (except Small Arms) Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
333991 – Power-Driven Handtool Manufacturing

Includes
Manicure Tables

Possible NAICS Codes
335210 – Small Electrical Appliance Manufacturing
333924 – Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
325211 – Plastics Material and Resin Manufacturing
334516 – Analytical Laboratory Instrument Manufacturing
561990 – All Other Support Services
513210 – Software Publishers
334111 – Electronic Computer Manufacturing
541519 – Other Computer Related Services
811210 – Electronic and Precision Equipment Repair and Maintenance

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
332996 – Fabricated Pipe and Pipe Fitting Manufacturing
331210 – Iron and Steel Pipe and Tube Manufacturing from Purchased Steel
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
326122 – Plastics Pipe and Pipe Fitting Manufacturing
331420 – Copper Rolling, Drawing, Extruding, and Alloying
333618 – Other Engine Equipment Manufacturing
332510 – Hardware Manufacturing
488190 – Other Support Activities for Air Transportation

Includes
Insect Screening; Industrial Metal Cloth; Industrial Metal Mesh.

Excludes
Fencing (FSC 5660).

Notes
Metal Screening is a perforated plate or cylinder or a meshed wire fabric usually mounted and used to separate coarse from finer parts.

Possible NAICS Codes
332321 – Metal Window and Door Manufacturing
332618 – Other Fabricated Wire Product Manufacturing
331318 – Other Aluminum Rolling, Drawing, and Extruding
333511 – Industrial Mold Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
336411 – Aircraft Manufacturing
332311 – Prefabricated Metal Building and Component Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing

Includes
Binoculars; Magnifiers; Microscopes; Periscopes; Telescopes. Optical Elements, such as Lens, Prisms, Windows; Optical Benches and associated devices; Endoscopes, Fiber Optics (non-medical).

Excludes
Fire Control Instruments, Optical; Surveying Instruments, Optical; Photogrammetric Instruments; Octants and Sextants; Optical Instruments Integrated with Fire Control Equipment; Ophthalmological Instruments; Electronic Fiber Optic Test Equipment; Medical Endoscopes.

Possible NAICS Codes
333310 – Commercial and Service Industry Machinery Manufacturing
334516 – Analytical Laboratory Instrument Manufacturing
424420 – Packaged Frozen Food Merchant Wholesalers
334519 – Other Measuring and Controlling Device Manufacturing
334515 – Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals
334513 – Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
334419 – Other Electronic Component Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component 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
331110 – Iron and Steel Mills and Ferroalloy Manufacturing
331315 – Aluminum Sheet, Plate, and Foil Manufacturing
488190 – Other Support Activities for Air Transportation
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

Includes
Angles; Channels; Tees; Zees.

Possible NAICS Codes
332112 – Nonferrous Forging
488190 – Other Support Activities for Air Transportation
331491 – Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding
331110 – Iron and Steel Mills and Ferroalloy Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333924 – Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing
326220 – Rubber and Plastics Hoses and Belting Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing

Description
Preparation and Disposal of Excess and Surplus Property

Possible NAICS Codes
562219 – Other Nonhazardous Waste Treatment and Disposal
488410 – Motor Vehicle Towing
562111 – Solid Waste Collection
562211 – Hazardous Waste Treatment and Disposal
484210 – Used Household and Office Goods Moving
541614 – Process, Physical Distribution, and Logistics Consulting Services
562112 – Hazardous Waste Collection
562119 – Other Waste Collection
561990 – All Other Support Services
562910 – Remediation Services