Includes
Assembled and Unassembled Tanks for storage only; Enclosures for Pressure and Vacuum Tanks; Petroleum Bulk Storage Tanks.

Excludes
Boiler Tanks (FSC 4410); Hot Water Tanks (FSC 4520).

Possible NAICS Codes
423860 – Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers
332420 – Metal Tank (Heavy Gauge) Manufacturing
336992 – Military Armored Vehicle, Tank, and Tank Component Manufacturing
326299 – All Other Rubber Product Manufacturing
332313 – Plate Work Manufacturing
444140 – Hardware Retailers
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
326199 – All Other Plastics Product Manufacturing
336411 – Aircraft Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing

Excludes
filled gas cylinders and items related to gaseous and liquefied gaseous dispensing systems, both mobile and installed. All components of installed gas dispensing systems are classified by "application" or "function" with the end equipment for which designed.

Notes
This class includes empty commercial and industrial gas cylinders and their caps, valves, and valve spare parts.

Possible NAICS Codes
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
325120 – Industrial Gas Manufacturing
332420 – Metal Tank (Heavy Gauge) Manufacturing

Includes
Turret Brakes; Clutch Brakes, Tank Turret.

Possible NAICS Codes
336390 – Other Motor Vehicle Parts Manufacturing
336330 – Motor Vehicle Steering and Suspension Components (except Spring) Manufacturing
336340 – Motor Vehicle Brake System Manufacturing
332510 – Hardware Manufacturing
333618 – Other Engine Equipment Manufacturing
336350 – Motor Vehicle Transmission and Power Train Parts Manufacturing
336211 – Motor Vehicle Body Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
336992 – Military Armored Vehicle, Tank, and Tank Component Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing

Includes
Truck Mounted and Trailer Mounted Compressors.

Excludes
Refrigeration Compressors (FSC 4130).

Possible NAICS Codes
333912 – Air and Gas Compressor Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
333618 – Other Engine Equipment Manufacturing
333120 – Construction Machinery Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
333996 – Fluid Power Pump and Motor Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333415 – Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing

Includes
Shafts and Shafting; Collars; Gearshafts; Ball Joints; Actuating Cylinders.

Possible NAICS Codes
333613 – Mechanical Power Transmission Equipment Manufacturing
336411 – Aircraft Manufacturing
333618 – Other Engine Equipment Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332510 – Hardware Manufacturing
336350 – Motor Vehicle Transmission and Power Train Parts Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
333612 – Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing
333995 – Fluid Power Cylinder and Actuator Manufacturing

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
Liquefied gaseous storage tanks, mounted on a common base with, or integral to, gas generating equipment included in this class. Also includes those liquefied gaseous storage tanks, either trailer mounted or skid mounted, used to store liquefied gaseous products until needed. Excluded from this class are those storage tanks designed to be used as an integral part of guided missile propellant servicing trailers, rocket power plants or test stations, and aircraft oxygen converters which are classified as specified by the indexes and structure of the FSC.

Excludes
Meteorological Equipment.

Notes
Included in this class are gaseous dispensing systems, both mobile and installed.

Possible NAICS Codes
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
325120 – Industrial Gas Manufacturing
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
333912 – Air and Gas Compressor Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
334412 – Bare Printed Circuit Board Manufacturing
332420 – Metal Tank (Heavy Gauge) Manufacturing
221210 – Natural Gas Distribution
333996 – Fluid Power Pump and Motor Manufacturing

Includes
Leaf Type Vehicular Springs; Suspension Type Shock Absorbers.

Excludes
Vehicular Hardware (FSG 53); Specialized Vehicular Furniture (FSC 2540).

Possible NAICS Codes
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
336211 – Motor Vehicle Body Manufacturing
333618 – Other Engine Equipment Manufacturing
332510 – Hardware Manufacturing
333120 – Construction Machinery Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
336390 – Other Motor Vehicle Parts Manufacturing
336370 – Motor Vehicle Metal Stamping
336360 – Motor Vehicle Seating and Interior Trim Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing

Includes
Hand Grease Guns; Centralized Lubrication Systems; Hydrostatic Lubricators; Oil and Gasoline Dispensing Pumps; Fuel Oil Dispensing Pumps; Hand Oilers; Grease Dispensers; Pressure Gun Attachments; Sight Feed Lubricators.

Excludes
Alemite and Lubrication Fittings (FSC 4730).

Possible NAICS Codes
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
333618 – Other Engine Equipment Manufacturing
331318 – Other Aluminum Rolling, Drawing, and Extruding
339993 – Fastener, Button, Needle, and Pin Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
332919 – Other Metal Valve and Pipe Fitting Manufacturing
314999 – All Other Miscellaneous Textile Product Mills

Excludes
Fishing Vessels.

Possible NAICS Codes
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
326199 – All Other Plastics Product Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
332420 – Metal Tank (Heavy Gauge) Manufacturing
314999 – All Other Miscellaneous Textile Product Mills
112511 – Finfish Farming and Fish Hatcheries
314994 – Rope, Cordage, Twine, Tire Cord, and Tire Fabric Mills
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
334290 – Other Communications Equipment Manufacturing
336612 – Boat Building

Includes
Specially designed components (not elsewhere classifiable) peculiar to special shipping and storage containers as delimited under this class.

Excludes
General purpose containers; specially designed containers for ammunition, nuclear ordnance, explosives, military chemical agents and guided missile components. Excluded from this class are items for which more specific classifications are suitable. The FSC indexes and structure will govern the classification of those items permitted classification in a single class only.

Notes
This class includes only reusable and repairable containers specially designed for shipping and storage of specialized equipment; i.e., shipping and storage containers for components of aircraft, space vehicles, automotive vehicles, ships, ground communication equipment, etc.

Possible NAICS Codes
332439 – Other Metal Container Manufacturing
332510 – Hardware Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
488190 – Other Support Activities for Air Transportation
332311 – Prefabricated Metal Building and Component Manufacturing
326111 – Plastics Bag and Pouch Manufacturing
488991 – Packing and Crating
326199 – All Other Plastics Product Manufacturing
316210 – Footwear Manufacturing
488510 – Freight Transportation Arrangement

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

Description
Maintenance, Repair and Rebuilding of Equipment: Guided Missiles

Possible NAICS Codes
336414 – Guided Missile and Space Vehicle Manufacturing
332813 – Electroplating, Plating, Polishing, Anodizing, and Coloring
336419 – Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing
811210 – Electronic and Precision Equipment Repair and Maintenance
541614 – Process, Physical Distribution, and Logistics Consulting Services
332420 – Metal Tank (Heavy Gauge) Manufacturing
541330 – Engineering Services
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
541380 – Testing Laboratories and Services
336411 – Aircraft Manufacturing

Includes
Fire Extinguishers; Fire Axes; Fire Rakes; Fire Beaters; Fire Trucks; Fire Hose; Play Pipes; Hose Fittings having one or more Fire Hose End Connections; Fire Hose Reels; Fire Fighting Trailers; Fire Hydrants; Sprinkler Heads.

Excludes
Wrecking Bars (FSC 5120, 1385).

Possible NAICS Codes
339999 – All Other Miscellaneous Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
339113 – Surgical Appliance and Supplies Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
314999 – All Other Miscellaneous Textile Product Mills
326111 – Plastics Bag and Pouch Manufacturing
325612 – Polish and Other Sanitation Good Manufacturing
315990 – Apparel Accessories and Other Apparel Manufacturing
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
115310 – Support Activities for Forestry

Includes
Semitrailers; Semitrailer Dollies; Cargo Trailers; Passenger and House Trailers; Special Purpose Trailers, such as Ammunition.

Excludes
Fire Fighting Trailers; Specially designed trailers for use in and around airfields, hangars, and warehouses.

Notes
This class includes only complete trailers, and chassis therefor. Any end items, assemblies, parts, attachments, or accessories, other than complete chassis, for use in or on trailers are classified in classes other than this class. The combined chassis and body of a special purpose trailer, such as a machine shop, mobile laundry, or dental laboratory, is classified in this class. The complete mobile unit, consisting of chassis, body, and additional equipment, as in an equipped trailer-mounted machine shop, is excluded from this class.

Possible NAICS Codes
336212 – Truck Trailer Manufacturing
336214 – Travel Trailer and Camper Manufacturing
333924 – Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing
336211 – Motor Vehicle Body Manufacturing
336110 – Automobile and Light Duty Motor Vehicle Manufacturing
333120 – Construction Machinery Manufacturing
532120 – Truck, Utility Trailer, and RV (Recreational Vehicle) Rental and Leasing
336999 – All Other Transportation Equipment Manufacturing
441210 – Recreational Vehicle Dealers
321991 – Manufactured Home (Mobile Home) Manufacturing