The Defense Logistics Agency seeks sources for a specific High Frequency Full Loop Antenna (NSN 5985-01-590-8364, Part RF-3134-AT003) used with Harris AN/PRC-150 and AN/PRC-160 radio systems on vehicles. This is a sources sought notice for market research only, not a solicitation for bids, and no contract will be awarded from this notice. Interested companies must demonstrate their capability to manufacture or supply this part by submitting a detailed technical response via email. The required response must include a completed questionnaire, company information, and a technical point of contact. All responses are due by April 3, 2026.