The Department of Commerce, specifically the National Institute of Standards and Technology (NIST), is seeking to negotiate a sole source contract with Photon Spot, Inc. for the maintenance and repair of the Cryospot 4TS Cryogenic System. The primary requirement includes replacing the RDK-205D Cold Head with a refurbished unit and providing a six-month warranty on the entire system, as outlined in the Statement of Work. This procurement is critical for ensuring the operational integrity of the Cryogenic System, which is essential for ongoing research activities at NIST. Interested parties capable of fulfilling these requirements must submit their capabilities in writing to Lia M. Arthofer at lia.arthofer@nist.gov by the specified response date, with an estimated award date in the third quarter of FY25.