UNSPSC 31171905: Chain wheel

A chain pulley, or sprocket wheel.

UNSPSC 31171905 Chain wheel, a Commodity code, encompasses sprockets, gearbox components, and chain-drive power-transmission elements that state and local jurisdictions procure for water reclamation, wastewater treatment, industrial equipment maintenance, and specialized mechanical systems. State and local buying under this code targets replacement parts and specialized components for existing operational equipment rather than new construction or bulk commodity chain inventory. Issuing bodies include county departments of environmental services and water utilities, state fish and wildlife agencies managing specialized infrastructure, and county facilities managing mechanical systems. The code sees activity from counties managing water and wastewater treatment (Hillsborough County, Gwinnett County), state wildlife agencies operating specialized fishery infrastructure (Oregon Department of Fish and Wildlife), and counties managing recreational facilities with mechanical systems.

Recent opportunities concentrate in Georgia and Oregon. Gwinnett County Department of Financial Services issued an Informal Written Quotation (IWQ 133561) on July 29, 2026 for 150 units of polymeric chain (REXNORD NH78 or equivalent) with quotations due August 5, 2026, delivered to the Department of Water Resources facility in Lawrenceville. The Oregon Department of Fish and Wildlife solicited quotes for fish screen sprockets (July 16, 2026, due July 23, 2026) and gearbox assemblies including Hub City Gearbox and Paddlewheel components (June 4, 2026, due June 11, 2026) for the John Day Screen Shop, with delivery to 357 Patterson Bridge Road, John Day, Oregon. Hillsborough County issued an Invitation to Quote on April 23, 2026 for two Dodge taper bushed reducer gearboxes and four taper bushing kits with a project estimate of $30,400.00, delivery to the Northwest Water Reclamation Facility in Tampa, Florida. Solicitations typically specify exact part numbers or approved equivalents, require firm pricing valid 30 to 90 days, and impose tight delivery windows (30 days post-award or shorter) to operational facilities.