The Naval Surface Warfare Center Dahlgren Division is seeking quotations for the procurement and delivery of security doors, with performance at Dam Neck, VA 23461-2097. All costs, including shipping and duties, must be included in the quoted price, and award will be made on a Lowest Price Technically Acceptable basis under full and open competition. The solicitation has been amended to add lead-time for delivery and installation as an evaluation criterion, and the response deadline is extended to 12 June 2026. Offerors must be registered in SAM, provide OEM authorization, and be CMMC Level 1 certified in SPRS to be eligible for award. Questions are due by 10 June 2026, and the anticipated award date is 22 July 2026.