The following Product Service Codes (PSCs) are commonly associated with NAICS 423720, Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers

PSC 4510 Plumbing Fixtures and Accessories

Top Result Products
Federal Category 4.3: Facilities & Construction Facility Related Materials

PSC 5120 Hand Tools, Nonedged, Nonpowered

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

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

PSC 4520 Space and Water Heating Equipment

Products
Federal Category 4.3: Facilities & Construction Facility Related Materials

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
339999 – All Other Miscellaneous Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
423710 – Hardware Merchant Wholesalers
333618 – Other Engine Equipment Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
336411 – Aircraft Manufacturing
444140 – Hardware Retailers
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing

PSC 4820 Valves, Nonpowered

Products

PSC 9905 Signs, Advertising Displays, and Identification Plates

Products

PSC 5680 Miscellaneous Construction Materials

Products

PSC 4810 Valves, Powered

Products

PSC 4710 Pipe, Tube and Rigid Tubing

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

Includes
Culvert Pipes; Culvert Pipe Connector Bands; Metallic Pipes; Plastic Pipes; Tubes and Rigid Tubing and their assemblies.

Excludes
Air Conditioning-Heating Pipes (FSC 4520); Asbestos and Cement, Bituminized Fiber, Clay and Concrete Pipes (FSC 5630); Conduit Pipes and their assemblies (FSC 5975); Downspout Pipes (FSC 5670); Exhaust Pipes (FSC 1560, 2990, and 4520); Fire Extinguishing Systems Pipes and Tubes and their assemblies (FSC 4210); Flexible Tubing (FSC 4720; Glass Tubing (FSC 6640, and 9340); Laboratory Tubes (FSC 6640); Medical and Surgical Tubes (FSC 6515).

Possible NAICS Codes
336411 – Aircraft Manufacturing
331210 – Iron and Steel Pipe and Tube Manufacturing from Purchased Steel
332996 – Fabricated Pipe and Pipe Fitting Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
331420 – Copper Rolling, Drawing, Extruding, and Alloying
326122 – Plastics Pipe and Pipe Fitting Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
333618 – Other Engine Equipment Manufacturing
488190 – Other Support Activities for Air Transportation
332510 – Hardware Manufacturing