This opportunity is for the manufacture and supply of a specialized, self-locking heavy hex nut made of nickel-copper alloy, designated as Level I/SUBSAFE material for use in crucial shipboard systems. The contract is a total small business set-aside with a "DO" priority rating for national defense, and performance will be at the contractor's facility with government source inspection. Final delivery of all material is required within 365 days after the contract's effective date, with first article testing (FAT) results due 180 days after approval of the pre-production test plan. The contractor must maintain a quality system per ISO-9001 and provide extensive material traceability, certifications, and testing documentation. No specific budget amount is provided in the description.