UNSPSC 31161703: Blind nuts

UNSPSC 31161703 Blind nuts is a Commodity code that covers the supply of fastening hardware — principally elastic stop nuts, hex nuts, and related fastener components — purchased by state and local transit authorities, counties, and municipalities for fleet maintenance, infrastructure repair, and operational inventory. State and local governments buy blind nuts and similar fastening hardware primarily through small-quantity purchase orders for transit fleet and water utility maintenance, where these components support vehicle repair, equipment assembly, and infrastructure upkeep. The Dallas Area Rapid Transit Authority (DART) has posted multiple fastener solicitations under this code family, including purchases of 1/4-28 zinc-plated elastic stop nuts (solicitation 2097736, due February 5, 2026), M8 hex fasteners and suspension springs (solicitation 2097609, due January 28, 2026), and 9/16"-18 Grade 8 nuts (solicitation 2097554, due January 28, 2026). These procurements reflect routine maintenance and inventory replenishment rather than large capital projects. All DART solicitations require FOB Destination shipping with freight included, compliance with Net 30 payment terms, submission through the BONFIRE bidding platform, and delivery on schedule as essential to performance.

Recent activity concentrates heavily in Texas through the Dallas Area Rapid Transit Authority, which has issued at least four fastener-related solicitations since mid-January 2026. A single broader solicitation from Riverside County, California (RFB 3909, due February 13, 2026) sought Cla-Val parts for warehouse inventory, indicating water utility and county maintenance operations also participate in this code but at lower frequency in the recent data. The City of Lavonia, Georgia's water treatment plant improvement project (solicitation PE66940NONST2026000000005, sealed bid due May 26, 2026) does not represent blind-nut procurement directly but underscores the infrastructure construction context where fastening hardware is consumed at scale. DART emerges as the repeat and most active buyer in the available recent opportunities, suggesting transit authorities represent a stable customer base for fastener supply. No set-aside restrictions, incumbent vendors, or contract awards are named in the recent solicitations; all opportunities appear open to qualified suppliers on a competitive basis.