UNSPSC 31161826: Notched washer

A type of washer generally used with a key to prevent rotation of the washer relative to the shaft.

UNSPSC 31161826 Notched washer is a Commodity code that encompasses fastener components—bolts, washers, and related hardware—used in maintenance, repair, and infrastructure projects across state and local government operations. State and local issuing bodies procure these items as consumable supplies and replacement parts for vehicle fleets, transit systems, water treatment facilities, and general maintenance operations. The solicitations tracked under this code show a mix of transit authorities and municipal utilities acquiring standard fastener specifications for ongoing operational needs, typically through competitive bidding processes with short response windows and straightforward payment terms.

Activity under the code concentrates in the transit and municipal utility sectors. The Dallas Area Rapid Transit Authority (DART) posted a competitive bid for 1/2"-13 X 2-3/4" bolts on September 3, 2026, with bids due September 11, 2026, requiring BONFIRE registration and FOB Destination shipping with freight included; the City of Lavonia, Georgia posted a substantial water treatment facility upgrade project on April 24, 2026, due May 26, 2026, that includes modifications to settling basins, filtration systems, and chemical feed infrastructure where notched washers and fastener hardware form part of the broader procurement. Geographic activity appears concentrated in Texas and Georgia in recent months, with procurement driven primarily by routine operational replacement cycles in transit systems and capital improvement projects in municipal utilities. Response cycles are typically two to four weeks, payment terms run Net 30, and delivery timing and availability are critical contract performance metrics.