UNSPSC 31161811: Spring washers

UNSPSC 31161811 Spring washers is a Commodity code covering fastening hardware components that state and local governments procure for maintenance, repair, and construction operations across water utilities, transit authorities, and facility management programs. The code captures both bulk industrial fastening supplies and component-level hardware purchases embedded in larger infrastructure projects. State and local issuing bodies soliciting under this code include transit authorities, municipal water departments, and public works agencies sourcing replacement parts and construction materials for ongoing capital projects and preventive maintenance programs.

Recent activity shows geographic diversity with procurement across Georgia and Texas. The Dallas Area Rapid Transit Authority posted a purchase order in January 2026 for Washer Lock 7/16" Medium components (solicitation 2097555, due January 28, 2026) as part of routine transit vehicle or facility maintenance inventory management, while the City of Lavonia, Georgia issued a sealed bid (PE66940NONST2026000000005, due May 26, 2026) for comprehensive water treatment plant improvements that incorporated spring washers and related fastening hardware as component elements of a larger $3.0 million gallon-per-day capacity upgrade project. No volume commitments or incumbent vendors are named in the available opportunities.