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

Includes
Accessory Kits and Boxes, Parts Kits, and individual components used in the repair and/or modification of Weapons System type Vehicles such as Tanks, Personnel Carriers, Mobile Howitzers, and the like.

Excludes
Items used in the repair and/or modifications of Commercial Type Vehicles (FSC 2540), vehicular type light fixtures (FSC 6220), and electronic switches, parts kits, and modification kits (FSG 59).

Possible NAICS Codes
336390 – Other Motor Vehicle Parts Manufacturing
336992 – Military Armored Vehicle, Tank, and Tank Component Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
332510 – Hardware Manufacturing
333618 – Other Engine Equipment Manufacturing
336211 – Motor Vehicle Body Manufacturing
336110 – Automobile and Light Duty Motor Vehicle Manufacturing
327211 – Flat Glass Manufacturing
332117 – Powder Metallurgy Part Manufacturing
336360 – Motor Vehicle Seating and Interior Trim Manufacturing

Includes
Anchor Guys; Wire Stranded Bands; Wire Rope Clamps; Cargo Hooks; Shackles; Swivels; Rope Terminals; Rope Wedges.

Excludes
Clamp Blocks (FSC 5340); Support Hooks (FSC 5340).

Notes
All items, including specially designed, will be classified in this FSC. Fittings classified in this FSC are items used in conjunction with chain, rope, and are attached to perform certain functions, (e.g., hooks, shackles, and wedges) refer to item name definitions for parameters.

Possible NAICS Codes
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
332510 – Hardware Manufacturing
423710 – Hardware Merchant Wholesalers
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333618 – Other Engine Equipment Manufacturing

Includes
Air Duct, Metallic, Nonmetallic, and Textile Fiber Hoses and their assemblies; Flexible Tubing and their assemblies.

Excludes
Conduit and their assemblies (FSC 5975); Laboratory Tubes (FSC 6640); Medical and Surgical Tubes (FSC 6515); Rigid Tubing and their assemblies (FSC 4710).

Possible NAICS Codes
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
326220 – Rubber and Plastics Hoses and Belting Manufacturing
333120 – Construction Machinery Manufacturing
333618 – Other Engine Equipment Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
336411 – Aircraft Manufacturing
332510 – Hardware Manufacturing
332919 – Other Metal Valve and Pipe Fitting Manufacturing

Includes
Energizers; Engine Preheaters; Mooring Assemblies; Wheel Chocks; Beaching Equipment; Aileron, Elevator, and Rudder Locks; Passenger Loading Ramps; Maintenance Platforms; Aircraft Maintenance and Boarding Ladders; Aircraft Maintenance Slings and Hoists; Aircraft Fin Tilting Jacks; Airfield Specialized Lift Trucks and Trailers; Fitted Covers for Airframe Components; Aircraft Engine Covers.

Excludes
Airfield Specialized Trucks and Trailers designed primarily for transporting aircraft assemblies (FSC 1740); Maintenance Stands designed for support of aircraft assemblies during repair or overhaul (FSC 4920); Test Stands (FSC 4920); General Purpose Jacks (FSC 5120); Slings (FSC 3940), and Hoists (FSC 3950); Trailers (FSC 2330), Liquid Oxygen, Aircraft Servicing (FSC 1660).

Notes
This class excludes "vehicular components" such as those listed under FSCs 2520, 2530, 2540, 2590.

Possible NAICS Codes
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333519 – Rolling Mill and Other Metalworking Machinery Manufacturing
336411 – Aircraft Manufacturing
333924 – Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing
488190 – Other Support Activities for Air Transportation

Includes
Components for all Engines except Aircraft and Guided Missile Prime Moving.

Excludes
Air and Oil Filters (FSC 4310, 4330), Strainers (FSC 4730), and Cleaners (FSC 4310) not specifically designed for use with engines.

Possible NAICS Codes
333618 – Other Engine Equipment Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
336390 – Other Motor Vehicle Parts Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
332510 – Hardware Manufacturing
333120 – Construction Machinery Manufacturing
336310 – Motor Vehicle Gasoline Engine and Engine Parts 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
Sails; Chain Ladders; Rope Ladders; Marine Furniture.

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

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

Includes
Metal Powder Compacting Presses.

Possible NAICS Codes
333517 – Machine Tool Manufacturing
333519 – Rolling Mill and Other Metalworking Machinery Manufacturing
333514 – Special Die and Tool, Die Set, Jig, and Fixture Manufacturing
333613 – Mechanical Power Transmission Equipment Manufacturing
332510 – Hardware Manufacturing
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
332117 – Powder Metallurgy Part Manufacturing
332710 – Machine Shops
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
Control Assemblies, Push-Pull; Brace, Positioning Cargo Ramp Stowed on Board; Cockpit Mounted Control Quadrants; Actuators, Electromechanical and Mechanical; Ventilators; Relief Tubes; Map Holders; Aerial Glider Towing Accessories Attached to Aircraft; Belts, Safety and Lap; Harness, Shoulder and Safety; Litter Attaching Supports; Electric Windshield Wipers; Aircraft Onboard Inert Gas Generators; Aircraft Furniture; Aircraft Mounted Winches and Hoists; In-Flight Refueling System Components, including Fuel Components; Aircraft Curtains; Cable Tension Regulators; Sun Visors; Rear-View Mirrors; Mechanical Transmissions, Gearboxes and Constant Speed Drives Specially Designed for Aircraft.

Excludes
Engine Mounted Control Assemblies; Fitted Covers, Aircraft Pylons; Helicopter Rotor Brake System Components; Helicopter Automatic Stabilization Equipment.

Possible NAICS Codes
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
336411 – Aircraft Manufacturing
336412 – Aircraft Engine and Engine Parts Manufacturing
488190 – Other Support Activities for Air Transportation
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing

Includes
Metal Spray Guns; Arc Cutting Machines; Torches and Tips; Gas Brazing Machines; Flame Cutting Machines; Vacuum Metalizers; Spark Discharge Metalizers.

Excludes
Welding Supplies; Disintegrating Machines.

Possible NAICS Codes
333992 – Welding and Soldering Equipment Manufacturing
333519 – Rolling Mill and Other Metalworking Machinery Manufacturing
333248 – All Other Industrial Machinery Manufacturing
333517 – Machine Tool Manufacturing
488190 – Other Support Activities for Air Transportation
333611 – Turbine and Turbine Generator Set Units Manufacturing
333912 – Air and Gas Compressor Manufacturing

Includes
Metal Powder Compacting Presses.

Possible NAICS Codes
333517 – Machine Tool Manufacturing
333248 – All Other Industrial Machinery Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
333514 – Special Die and Tool, Die Set, Jig, and Fixture Manufacturing
326220 – Rubber and Plastics Hoses and Belting Manufacturing
332510 – Hardware Manufacturing
339999 – All Other Miscellaneous Manufacturing
332710 – Machine Shops
333912 – Air and Gas Compressor Manufacturing
333996 – Fluid Power Pump and Motor Manufacturing