Includes
Rotary, Knife, Toggle. Push Button, Mercury, Thermostatic, and Differential Pressure Switches.

Excludes
Switchgear.

Possible NAICS Codes
335313 – Switchgear and Switchboard Apparatus Manufacturing
334419 – Other Electronic Component Manufacturing
333618 – Other Engine Equipment Manufacturing
335931 – Current-Carrying Wiring Device Manufacturing
332919 – Other Metal Valve and Pipe Fitting Manufacturing
335314 – Relay and Industrial Control Manufacturing
334413 – Semiconductor and Related Device Manufacturing
334512 – Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use
332112 – Nonferrous Forging
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing

Includes
Circuit Breakers and Cutouts.

Excludes
Relays.

Possible NAICS Codes
335313 – Switchgear and Switchboard Apparatus Manufacturing
221118 – Other Electric Power Generation
444180 – Other Building Material Dealers
333618 – Other Engine Equipment Manufacturing
333120 – Construction Machinery Manufacturing
333992 – Welding and Soldering Equipment Manufacturing
334419 – Other Electronic Component Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
334412 – Bare Printed Circuit Board Manufacturing

Description
Fuses, Arresters, Absorbers, and Protectors

Includes
Fuseholders; Fuse Boxes; Fuse Posts; Fuse Links; Fuse blocks; Current Limiters. Corona Balls, Electrostatic Dischargers.

Excludes
Circuit Breakers.

Possible NAICS Codes
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
335931 – Current-Carrying Wiring Device Manufacturing
335313 – Switchgear and Switchboard Apparatus Manufacturing
333618 – Other Engine Equipment Manufacturing
334220 – Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
334413 – Semiconductor and Related Device Manufacturing
332216 – Saw Blade and Handtool Manufacturing
444180 – Other Building Material Dealers
325612 – Polish and Other Sanitation Good Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing

Includes
Contactors: Motor Controllers; Power Servomechanisms; Switchgear; Voltage Regulators.

Excludes
Automatic Pilot Mechanisms; Relays; Resistors.

Possible NAICS Codes
334519 – Other Measuring and Controlling Device Manufacturing
335312 – Motor and Generator Manufacturing
335314 – Relay and Industrial Control Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
332510 – Hardware Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
335313 – Switchgear and Switchboard Apparatus Manufacturing
333618 – Other Engine Equipment Manufacturing
335311 – Power, Distribution, and Specialty Transformer Manufacturing
334413 – Semiconductor and Related Device Manufacturing

Includes
General Purpose Oil Grease, Air, Liquid, Gas, and chemical Seals; Oakum; Prefabricated Gaskets and Seals designed for a single specific application.

Excludes
O-Rings (FSC 5331); Bulk material items, such as; Rubber, Cork, and Asbestos Sheets and Strips (FSG 93); Liquid Gasket Materials (RTV), Permatex, etc.) (FSG 80); RFI and EMI Seals and Gaskets (FSC 5999), and all Seal Retainers.

Notes
This FSC includes only seals and gaskets designed for standard use. Seals, gaskets and packing are made from materials specifically designed and constructed to resist deterioration from the action of heat, gas, chemicals, liquids, and used to fill a cavity and create a tight seal. Similar materials used to make seals, gaskets and packing are available in bulk form, refer to FSG 93, FSG 80, and FSG 83.

Possible NAICS Codes
339991 – Gasket, Packing, and Sealing Device Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
333618 – Other Engine Equipment Manufacturing
336411 – Aircraft Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
339950 – Sign Manufacturing
332510 – Hardware Manufacturing
424490 – Other Grocery and Related Products Merchant Wholesalers

Includes
Permanent Magnets and Magnetostriction Elements; Caps, Clips, and Contacts, Electrical.

Possible NAICS Codes
334419 – Other Electronic Component Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
334416 – Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing
335931 – Current-Carrying Wiring Device Manufacturing
334413 – Semiconductor and Related Device Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
339991 – Gasket, Packing, and Sealing Device Manufacturing
336411 – Aircraft Manufacturing
334417 – Electronic Connector Manufacturing
334111 – Electronic Computer Manufacturing

Includes
Appliance and Extension Cords; Electric Power and Distribution Cable with Attachments, Multiapplication; Common Components of Electrical Rotating Equipment, such as End Bells and Frames.

Possible NAICS Codes
334419 – Other Electronic Component Manufacturing
335311 – Power, Distribution, and Specialty Transformer Manufacturing
335139 – Electric Lamp Bulb and Other Lighting Equipment Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
332510 – Hardware Manufacturing
333618 – Other Engine Equipment Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
336411 – Aircraft Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing

Includes
Plugs; Jacks; Receptacles; Electronic Component Sockets and Associated Accessories.

Excludes
Interconnectors, Fiber Optic.

Possible NAICS Codes
334417 – Electronic Connector Manufacturing
335931 – Current-Carrying Wiring Device Manufacturing
332112 – Nonferrous Forging
444180 – Other Building Material Dealers
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
334419 – Other Electronic Component Manufacturing
336411 – Aircraft Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
333618 – Other Engine Equipment Manufacturing

Includes
Mercury Vapor Turbines.

Possible NAICS Codes
333611 – Turbine and Turbine Generator Set Units Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
335313 – Switchgear and Switchboard Apparatus Manufacturing
333618 – Other Engine Equipment Manufacturing
339991 – Gasket, Packing, and Sealing Device Manufacturing
336611 – Ship Building and Repairing

Includes
Conduit; Raceways; Face Plates; Condulets; Outlet and Junction Boxes; Pole Line Hardware, not elsewhere classifiable.

Possible NAICS Codes
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
335932 – Noncurrent-Carrying Wiring Device Manufacturing
335931 – Current-Carrying Wiring Device Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
423610 – Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers
327110 – Pottery, Ceramics, and Plumbing Fixture Manufacturing
238210 – Electrical Contractors and Other Wiring Installation Contractors
332710 – Machine Shops
332510 – Hardware Manufacturing
335311 – Power, Distribution, and Specialty Transformer Manufacturing

Description
Maintenance, Repair and Rebuilding of Equipment: Ship and Marine Equipment

Possible NAICS Codes
336611 – Ship Building and Repairing
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
811210 – Electronic and Precision Equipment Repair and Maintenance
333618 – Other Engine Equipment Manufacturing
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
541330 – Engineering Services
561990 – All Other Support Services
333923 – Overhead Traveling Crane, Hoist, and Monorail System Manufacturing
488390 – Other Support Activities for Water Transportation
332313 – Plate Work Manufacturing

Includes
Sails; Chain Ladders; Rope Ladders; Marine Furniture.

Possible NAICS Codes
336611 – Ship Building and Repairing
441222 – Boat Dealers
332322 – Sheet Metal Work Manufacturing
333618 – Other Engine Equipment Manufacturing
333923 – Overhead Traveling Crane, Hoist, and Monorail System Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
332321 – Metal Window and Door Manufacturing
332911 – Industrial Valve Manufacturing
114119 – Other Marine Fishing
333415 – Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing

Includes
Hammers; Picks; Pliers, except pliers for cutting only; Screwdrivers; Shovels; Construction Rakes, Forks and Hoes; Jacks, including Contractors' Jacks; Wrecking Bars; Glue Pots; Blowtorches.

Excludes
Craftsman's Measuring Tools; Gardening Rakes, Forks, Hoes, and other Garden Tools.

Possible NAICS Codes
444110 – Home Centers
444140 – Hardware Retailers
423710 – Hardware Merchant Wholesalers
332510 – Hardware Manufacturing
332216 – Saw Blade and Handtool Manufacturing
423840 – Industrial Supplies Merchant Wholesalers
339940 – Office Supplies (except Paper) Manufacturing

Includes
Automatic Nonpowered Valves; Gate, Globe, Angle, Check, and Relief Valves; Cocks.

Excludes
Fire Hydrants (FSC 4210) Sprinkler Heads (FSC 4210); Valves specifically designed for use with fire fighting equipment (FSC 4210); plumbing equipment and the like (FSC 4540)

Possible NAICS Codes
332911 – Industrial Valve Manufacturing
332919 – Other Metal Valve and Pipe Fitting Manufacturing
336310 – Motor Vehicle Gasoline Engine and Engine Parts Manufacturing
332912 – Fluid Power Valve and Hose Fitting Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333618 – Other Engine Equipment Manufacturing
336411 – Aircraft Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
332510 – Hardware Manufacturing

Description
Electrical and Electronic Assemblies; Boards, Cards, and Associated Hardware

Excludes
circuit card and electronic component assemblies which can be identified to a more definitive Approved Item Name.

Possible NAICS Codes
334412 – Bare Printed Circuit Board Manufacturing
334418 – Printed Circuit Assembly (Electronic Assembly) Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
334419 – Other Electronic Component Manufacturing
444180 – Other Building Material Dealers
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
334111 – Electronic Computer Manufacturing
334220 – Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
334413 – Semiconductor and Related Device Manufacturing