Includes
Ball Bearings; Roller Bearings: Balls; Races.

Excludes
Plain Bearings (FSC 3120); Jewel Bearings (FSC 3120).

Notes
This class includes bearings that generally have roller or balls confined by an inner and outer ring to relieve friction in/on/around rotating/moving mechanisms.

Possible NAICS Codes
332991 – Ball and Roller Bearing Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
336411 – Aircraft Manufacturing
336412 – Aircraft Engine and Engine Parts Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
333618 – Other Engine Equipment Manufacturing
336390 – Other Motor Vehicle Parts Manufacturing
331523 – Nonferrous Metal Die-Casting Foundries
332510 – Hardware Manufacturing

Includes
Dowel Pins, Split Pins; Spikes; Tacks; Nonoffice Type Staples; Machine Keys; Brads; Shouldered Pins; Cotter Pins; Nails.

Excludes
Shafts (FSC 3040); Lock Keys (FSC 5340).

Notes
Nails, machine keys, and pins, including specially designed, will be classified in this FSC. a. Nails are slender, usually pointed fasteners with a head, and designed for insertion by impact. b. Machine keys are items generally inserted between two items, usually in a groove, to prevent relative rotation, e.g., shaft and hub, c. Pins are cylindrical items of various materials used to align/attach two or more parts together and may allow for angular movement.

Possible NAICS Codes
332510 – Hardware Manufacturing
332618 – Other Fabricated Wire Product Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
336411 – Aircraft Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333618 – Other Engine Equipment Manufacturing
444140 – Hardware Retailers
332111 – Iron and Steel Forging
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing

Includes
Cells and Dry Batteries; Nuclear Batteries.

Possible NAICS Codes
335910 – Battery Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
541519 – Other Computer Related Services
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
339112 – Surgical and Medical Instrument Manufacturing

Includes
Electromagnetic Actuators.

Excludes
Contactors.

Possible NAICS Codes
335314 – Relay and Industrial Control Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
334418 – Printed Circuit Assembly (Electronic Assembly) Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333612 – Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing
333618 – Other Engine Equipment Manufacturing
444180 – Other Building Material Dealers
334413 – Semiconductor and Related Device Manufacturing
334419 – Other Electronic Component Manufacturing

Includes
Eyelets; Grommets; Aircraft Cowling Fasteners; Textile Fasteners; Retaining Rings; Threaded Inserts.

Possible NAICS Codes
332510 – Hardware Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
333618 – Other Engine Equipment Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332119 – Metal Crown, Closure, and Other Metal Stamping (except Automotive)
336411 – Aircraft Manufacturing
332613 – Spring Manufacturing
339993 – Fastener, Button, Needle, and Pin Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories 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
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
331110 – Iron and Steel Mills and Ferroalloy Manufacturing
333924 – Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing
562920 – Materials Recovery Facilities
332999 – All Other Miscellaneous Fabricated Metal Product 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
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
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
332510 – Hardware Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing

Excludes
Punching, Stamping, and Marking Dies.

Possible NAICS Codes
333515 – Cutting Tool and Machine Tool Accessory Manufacturing
332216 – Saw Blade and Handtool Manufacturing
423710 – Hardware Merchant Wholesalers
444140 – Hardware Retailers
333514 – Special Die and Tool, Die Set, Jig, and Fixture Manufacturing
332510 – Hardware Manufacturing
332119 – Metal Crown, Closure, and Other Metal Stamping (except Automotive)
332710 – Machine Shops
333991 – Power-Driven Handtool Manufacturing

Notes
This class includes jigs, fixtures, and templates used in conjunction with the metalworking machinery classified in group 34. Jigs, fixtures, and templates used in conjunction with maintenance and repair shop specialized equipment are classified in group 49.

Possible NAICS Codes
333515 – Cutting Tool and Machine Tool Accessory Manufacturing
333514 – Special Die and Tool, Die Set, Jig, and Fixture Manufacturing
334516 – Analytical Laboratory Instrument Manufacturing
333511 – Industrial Mold Manufacturing
332710 – Machine Shops
332111 – Iron and Steel Forging
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing

Includes
Grave Markers; Burial Vaults; Burial Urns; Caskets; Burial Boxes; Morticians' Supplies; Monuments; Casket Shipping Cases.

Excludes
Hearses; Mortuary Refrigerators.

Possible NAICS Codes
327991 – Cut Stone and Stone Product Manufacturing
333618 – Other Engine Equipment Manufacturing
327390 – Other Concrete Product Manufacturing
326121 – Unlaminated Plastics Profile Shape Manufacturing
561990 – All Other Support Services
339999 – All Other Miscellaneous Manufacturing
339995 – Burial Casket Manufacturing
812210 – Funeral Homes and Funeral Services
326111 – Plastics Bag and Pouch Manufacturing

Includes
Electric Signs; Sign Boards; Display Stands; Mannequins and other display forms; Printed Signs; General Purpose Identification Tags and Blanks, Nonpersonal; Plates and Tags for specific applications.

Possible NAICS Codes
334111 – Electronic Computer Manufacturing
325611 – Soap and Other Detergent Manufacturing
339950 – Sign Manufacturing
323113 – Commercial Screen Printing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
336320 – Motor Vehicle Electrical and Electronic Equipment Manufacturing
325992 – Photographic Film, Paper, Plate, Chemical, and Copy Toner Manufacturing
326199 – All Other Plastics Product Manufacturing
423710 – Hardware Merchant Wholesalers
333120 – Construction 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
Anesthesia Apparatus; Blood Transfusion Apparatus; Oxygen Therapy Apparatus; Respirators; Orthopedic Supplies; Arch Supports; Clinical Thermometers; Sutures; Hearing Aids; Veterinary Equipment, Endoscopes, Fiber Optic.

Excludes
Ophthalmic Instruments, Equipment, and Supplies; Non-Medical Endoscopes.

Possible NAICS Codes
423450 – Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers
339113 – Surgical Appliance and Supplies Manufacturing
339112 – Surgical and Medical Instrument Manufacturing
325411 – Medicinal and Botanical Manufacturing

Includes
Adapters; Anchor Plates and Straps; Anodes; Bellows; Couplings; Control Rods; Access Doors; Fairleads; Mounts; Tie Rods; Yokes.

Excludes
Commercial Hardware (FSC 5340).

Notes
Hardware designed for weapon systems unique applications will be classified in this FSC.

Possible NAICS Codes
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
332510 – Hardware Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
336411 – Aircraft Manufacturing
333618 – Other Engine Equipment Manufacturing
332710 – Machine Shops
333120 – Construction Machinery Manufacturing
336412 – Aircraft Engine and Engine Parts Manufacturing