This opportunity is for the manufacture and supply of a specific locking plate, nut, and STEM locking device, with design and material requirements dictated by Naval Sea Systems Command drawings. The contract is a total small business set-aside, and performance will be governed by detailed technical, quality assurance, and packaging specifications, including strict cybersecurity and security clearance requirements. All pricing submitted must be valid for 60 days after the closing date, and the place of performance is not specified in the description. The contractor must comply with a detailed order of precedence for technical documents and obtain government approval for any non-conforming materials or document revisions. A Certificate of Compliance must be submitted with the material delivery.