UNSPSC 40173602: Carbon steel pipe reducing coupling

Commodity

Code facts

NIGP codes
1

UNSPSC codes and definitions come from the UN Development Programme (managed by GS1 US), and state and local contract opportunities from the governments' procurement sites.

NIGP codes for 40173602

NIGP code
65933 Couplings

Definition

Pipe reducing coupling made of carbon steel

About UNSPSC 40173602

UNSPSC 40173602 Carbon steel pipe reducing coupling is a Commodity code covering fittings and connection components used in water, wastewater, and utility infrastructure systems. The recent opportunities show little direct procurement of carbon steel reducing couplings in isolation; instead, state and local governments are buying them as line items within broader water and sewer materials contracts or infrastructure rehabilitation projects. Jackson County Utility Authority requested materials including fittings for the South Central Septic Abatement Project (due July 8, 2026), while the City of Phoenix Water Services Department solicited water pipe and miscellaneous fittings including couplings, clamps, and gate valves under a five-year contract (due February 19, 2026). Volusia County pursued a comprehensive Materials for Water and Sewer Operations procurement covering polyethylene tubing, brass fittings, and various infrastructure components with local delivery to four utility locations. Issuing bodies are predominantly municipal water utilities and county governments managing water and wastewater systems, supplemented by regional utilities and technical institutions sourcing equipment for infrastructure replacement or modernization projects.

The code shows recent activity concentrated in Florida, Georgia, California, Massachusetts, and Arizona. Representative recent solicitations include the City of Phoenix's invitation for bid for water pipe and miscellaneous fittings (IFB260217, due February 19, 2026) covering 15 product groups with all materials required to meet AWWA, ASTM, and ANSI standards; Volusia County's competitive sealed bid for water and sewer materials (IFB #26-B-42LS, due February 4, 2026) requiring American-made metal items with delivery to four locations in central Florida; and the Berkshire Regional Group Purchasing Program's cooperative procurement for culvert products and related highway supplies on behalf of 32 Massachusetts municipalities (FY27-04, due April 2, 2026), with awards expected by April 20, 2026. Federal funding requirements—RESTORE funds for Jackson County, FEMA assistance for Volusia County, and Georgia Environmental Finance Authority support for Franklin County's booster pump station project—appear frequently. Contractors typically face prevailing wage obligations, E-Verify employment verification, commercial general liability insurance minimums of $1,000,000 to $2,000,000, and compliance with DBE or small business participation plans. Contract terms commonly span three to five years with firm pricing for initial periods and documented price-redetermination provisions thereafter.

Quick answers

What is UNSPSC 40173602?

UNSPSC 40173602 is Carbon steel pipe reducing coupling, a commodity in UNSPSC 40000000, Distribution and Conditioning Systems and Equipment and Components.

Which NIGP codes match UNSPSC 40173602?

UNSPSC 40173602 maps to 1 NIGP code, 65933 Couplings.

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