Precision Machining of Stainless Steel Vacuum Flanges

This contract involves the precision machining and fabrication of up to 90 stainless steel vacuum flanges designed for the DUNE project. These components must adhere to strict standards, including ConFlat compatibility and vacuum sealing specifications, and include both qualification and production units. The contract is a subcontract opportunity, posted by the Department of Energy through the Brookhaven National Laboratory contractor, with a focus on small businesses under the Total Small Business Set-Aside program (FAR 19.5). The work will be performed in Upton, New York, and responses are due by May 7, 2026. The contract falls under the NAICS code 332999, which covers miscellaneous fabricated metal product manufacturing. The precision requirements and performance standards indicate a highly specialized manufacturing process, critical for the successful deployment and operation of vacuum systems in the DUNE scientific project. This opportunity provides a specialized niche for qualified small businesses capable of delivering high-quality machining work in support of a major Department of Energy initiative.