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The following Product Service Codes (PSCs) are commonly associated with NAICS 332410, Power Boiler and Heat Exchanger Manufacturing

PSC 4470 Nuclear Reactors

Products
Federal Category 11.3: Aircraft, Ships/Submarines & Land Vehicles — Ships & Submarines

Includes
Refueling Machines; Ion Chamber Seals; Thermal Barriers; Control Rods; Steam Generators, Pressurized Water; Reactor Vessel Shells; Handling Carts, Hoisting Units, New and Spent Cartridges.

Notes
This class includes all types of nuclear reactors and those items which are specifically designed for use within nuclear reactors, their primary cooling systems, auxiliary fluid systems, special propulsion plant systems, handling and servicing equipment, electrical and control systems, and associated special test and water chemistry control items. Excluded from this class are those items for which more specific classifications are suitable.

Possible NAICS Codes
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
332410 – Power Boiler and Heat Exchanger Manufacturing
332919 – Other Metal Valve and Pipe Fitting Manufacturing
339999 – All Other Miscellaneous Manufacturing
334290 – Other Communications Equipment Manufacturing
334412 – Bare Printed Circuit Board Manufacturing
335312 – Motor and Generator Manufacturing
335931 – Current-Carrying Wiring Device Manufacturing
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing

PSC 4520 Space and Water Heating Equipment

Products
Federal Category 4.3: Facilities & Construction — Facility Related Materials

PSC J045 Maint/Repair/Rebuild of Equipment—Plumbing, Heating, and Waste Disposal Equipment

Services
Federal Category 4.4: Facilities & Construction — Facility Related Services

PSC 4140 Fans, Air Circulators, and Blower Equipment

Products
Federal Category 4.3: Facilities & Construction — Facility Related Materials

Includes
Wall Type Fans; Pedestal Type Fans; Household Type and Attic Type Exhaust Fans; Floor Fans; Forced Draft Exhaust and Disposal Kits; Fans; Air Circulators, and Blower Equipment, whether designated as "industrial" or "nonindustrial" by application and/or use.

Excludes
Combination Heater-Fans (see FSC 4520).

Notes
Fans and impellers which are specifically designed for use with specific individual types of equipment are to be classified in the same classes as their next higher assemblies or in the appropriate components or accessories classes (as in group 25 or 29 or class 1680) as prescribed by the indexes and structure of the FSC.

Possible NAICS Codes
333413 – Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing
333414 – Heating Equipment (except Warm Air Furnaces) Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333120 – Construction Machinery Manufacturing
333415 – Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
333618 – Other Engine Equipment Manufacturing
332510 – Hardware Manufacturing

PSC 4130 Refrigeration and Air Conditioning Components

Products
Federal Category 4.3: Facilities & Construction — Facility Related Materials

Includes
Heat Exchanger Equipment; Refrigerant Strainers; Refrigeration Compressors; Air Conditioning and Refrigeration Servicing Equipment, such as Charging and Testing Manifolds, Lines and Units; Operating Components of Refrigeration and Air Conditioning Equipment, Plants, and Systems classified in classes 4110 and 4120.

Excludes
Refrigeration and Air Conditioning Plants (see classes 4110 and 4120): Collections of Refrigeration Components "packaged" as a unit including a refrigeration compressor, condenser, evaporator, etc., specifically designed and tailored for applications such as walk-in type refrigerators. Individual components of the "packaged" unit will be classified in class 4130, or as otherwise specifically prescribed by the indexes and structure of the FSC. The complete "package" unit will be classified in class 4110.

Possible NAICS Codes
333415 – Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
333618 – Other Engine Equipment Manufacturing
333120 – Construction Machinery Manufacturing
332112 – Nonferrous Forging
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
221330 – Steam and Air-Conditioning Supply
336211 – Motor Vehicle Body Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
333241 – Food Product Machinery Manufacturing
333413 – Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing

PSC 5340 Hardware, Commercial

Products
Federal Category 5.3: Industrial Products & Services — Hardware & Tools

Description
Hardware

Includes
Access Covers; Bumpers; Casters; Cabinet and Door Hardware; Clevises; Hinges; Latches; Straps and Strapping; Turnbuckles; Webbed Straps.

Excludes
Weapons System Hardware (5342).

Notes
Common hardware designed primarily for commercial use will be classified in this FSC. Hardware is the physical, tangible, and permanent components of end items that may not be classified elsewhere. It consists also of common items that are commonly used in construction and/or manufacturing (e.g., hinges, door locks).

Possible NAICS Codes
332510 – Hardware Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
423710 – Hardware Merchant Wholesalers
444110 – Home Centers
339999 – All Other Miscellaneous Manufacturing
333618 – Other Engine Equipment Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
336411 – Aircraft Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333120 – Construction Machinery Manufacturing