4340 Alloy Steel Material Supplier

This subcontract opportunity is for a material supplier to provide high-strength 4340 alloy steel to prime contractors supporting the Department of Defense DLA Weapons Support Nuclear Reactor Program. The supplier must deliver certified steel stock that adheres strictly to AMS 6484 or AMS 6415 specifications, accompanied by Mill Test Reports to verify that all chemical and physical properties meet the required standards. Due to the nature of the program, strict compliance with ITAR and EAR export controls is mandatory. The project is designated as a Total Small Business Set-Aside under NAICS code 423430, with the place of performance located in San Diego, California. Interested parties must submit their responses by November 23, 2026.