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The following Product Service Codes (PSCs) are commonly associated with NAICS 333992, Welding and Soldering Equipment Manufacturing

PSC 3431 Electric Arc Welding Equipment

Products
Federal Category 5.1: Industrial Products & Services — Machinery & Components

Includes
Gas Shielded Arc Welding Machines; Arc Bonding Machines; Semi-Automatic and Automatic Arc Welding Machines.

Excludes
Welding Supplies, and Associated Equipment such as: Flux Recovery Machines; Flux Dispensers; Tacker Panels; Welding Panels.

Possible NAICS Codes
333992 – Welding and Soldering Equipment Manufacturing
333921 – Elevator and Moving Stairway Manufacturing
444110 – Home Centers
332510 – Hardware Manufacturing

PSC 3433 Gas Welding, Heat Cutting, and Metalizing Equipment

Products
Federal Category 5.1: Industrial Products & Services — Machinery & Components

PSC 6145 Wire and Cable, Electrical

Products
Federal Category 13.3: Electronic & Communication Equipment — Electrical & Electronics Equipment

Includes
Insulated and Noninsulated, Wire and Cable, such as, Antenna Wire, Coaxial Cable, Fuse and Resistance Wire, and Magnet Wire.

Excludes
Radio Frequency Transmission Line (FSC 5985); Fiber Optic Cable (FSC 6015); Communication Cable Assemblies; (FSC 5995); Distribution and Power Transmission Cable Assemblies (FSC 6150).

Notes
This class includes only bulk electrical wire and cable. Excluded from this class are electrical wire and cable items of definite length either with processed ends, or terminated in fittings

Possible NAICS Codes
335929 – Other Communication and Energy Wire Manufacturing
331318 – Other Aluminum Rolling, Drawing, and Extruding
331420 – Copper Rolling, Drawing, Extruding, and Alloying
332216 – Saw Blade and Handtool Manufacturing
331491 – Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
334416 – Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing
335931 – Current-Carrying Wiring Device Manufacturing
423610 – Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers
334419 – Other Electronic Component Manufacturing

PSC 6625 Electrical and Electronic Properties Measuring and Testing Instruments

Products
Federal Category 5.4: Industrial Products & Services — Test & Measurement Supplies

Includes
Test Leads and Test Lead Attachments; Test instruments designed for communication equipment; Test instruments designed for use with electronic equipment classified in two or more FSC groups.

Excludes
Radiac Equipment.

Notes
This class includes all "basic" types of electrical and electronic test instruments, such as ammeters, voltmeters, ohmmeters, multimeters, and similar instruments, even if specially designed. Excluded from this class by the modifier "except specially designed" are test instruments, other than "basic" instruments, which are specially designed for use with atomic ordnance, fire control, guided missile, motor vehicle, aircraft, or photographic equipment. Such specially designed test instruments are to be classified in other classes in the Federal Supply Classification. This class includes communications test equipment, infrared test equipment designed for communication, and night vision maintenance and test specialized equipment.

Possible NAICS Codes
334515 – Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals
334514 – Totalizing Fluid Meter and Counting Device Manufacturing
334412 – Bare Printed Circuit Board Manufacturing
334513 – Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
334519 – Other Measuring and Controlling Device Manufacturing
334220 – Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
334290 – Other Communications Equipment Manufacturing
314999 – All Other Miscellaneous Textile Product Mills
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing

PSC 7G21 IT and Telecom—Network: Digital Network Products (Hardware and Perpetual License Software)

Products
Federal Category 1.7: Information Technology and Telecommunications — Network

Description
Digital network communications hardware, software, and other equipment used within the core data centers and work areas, connecting end users to the organization's Local Area Network (LAN). Wide Area Network (WAN) digital transmission equipment, supporting hardware and software directly connecting data centers, offices and third parties. Includes 1) external digital network transport equipment (Outside Plant) physical communications infrastructure connecting to LAN/WAN end points 2) copper and fiber communications systems, and 3) cellular infrastructure such as towers, repeaters, switching systems dedicated for cellular communication. Products and tools that enable or distribute voice services through on-premise digital equipment including PBX, VoIP, voicemail and handsets.

Includes
Software that is licensed for use indefinitely. This can also be referred to as perpetual, indefinite, permanent, continuous, or ever lasting.

Possible NAICS Codes
541519 – Other Computer Related Services
334111 – Electronic Computer Manufacturing
335921 – Fiber Optic Cable Manufacturing
334417 – Electronic Connector Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
513210 – Software Publishers
334419 – Other Electronic Component Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
334290 – Other Communications Equipment Manufacturing
517111 – Wired Telecommunications Carriers