This is a 100% small business set-aside solicitation for the manufacture of one custom ground ring sleeve, made of cast NiCu per MIL-C-24723, with specific dimensional, roundness, concentricity, and straightness tolerances. The work includes required data deliverables such as a Certificate of Compliance, NDT procedures, and weldability test results, and the contractor must submit certain procedures for government approval before manufacturing begins. Performance is for the Portsmouth Naval Shipyard, and the solicitation closes on June 3, 2026, at 10:00 AM EST. No budget amount is specified. Award will be based on Lowest Price Technically Acceptable (LPTA), and offerors must be registered in SAM and submit descriptive literature with their quote.