NSWCDD Dahlgren intends to procure one Curtiss-Wright DS C-Band Transponder, 20 Watts, 6 cubic inch, Part # XPDR-520-20, on a brand-name-only basis because it must be form, fit, and function compatible with existing systems. Quotes will be accepted only from the OEM or authorized resellers that provide an OEM Letter of Authorization or equivalent documentation, and the notice indicates a total small business set-aside. Award will be made on a Lowest Price Technically Acceptable basis under FAR Part 12 simplified acquisition procedures as a firm-fixed-price order, with all costs including shipping/freight and tariffs/duties to Dahlgren, VA 22448-5114 included in the quoted price. The anticipated GPE publication date is October 1, 2026. Offerors must be registered in SAM and comply with the solicitation terms.