DLA-Aberdeen, on behalf of the Army ILSC Supply Chain Management Directorate/Strategic Sourcing Directorate, is conducting market research to identify sources capable of supplying load banks and a hybrid relay supporting the PATRIOT Missile Defense System EPP III, including 150 kW/400 Hz generator set applications. The required items include load bank NSNs 6150-01-455-4207 and 6150-01-486-6937 (part number A3354293, CAGE 80063) and hybrid relay NSN 5945-01-577-2614 (part number 335.01.0040, CAGE D0857); the Government does not possess the technical data package. The load bank was last purchased on 8/17/2026 in a quantity of 21. This sources sought announcement is for planning and market research only, is not a request for quote or proposal, and does not commit the Government to award or reimburse costs. Interested sources should submit capability information such as a questionnaire, drawings, test results, prior Government/commercial contract experience, and data-rights information, along with company name, CAGE code, and a technical point of contact.