The Department of Defense, through NAVSUP Weapon Systems Support in Philadelphia, is seeking to procure repair services for two radio receivers, specifically the Receiver, Radio with National Stock Number (NSN) 7R 2101 6136580 and Part Number (P/N) 822-3137-002. This procurement is intended to be conducted on a sole source basis with Rockwell Collins - Missions and ST. Engineering Aerospace Systems, as these are the only approved sources for this material, highlighting the critical nature of these components for military operations. Interested parties are encouraged to submit their capability statements or proposals within five days of the publication of this presolicitation notice, with the solicitation expected to be issued around March 20, 2025, and responses due by April 20, 2025. For further inquiries, potential bidders can contact Caitlin V. Donahue at caitlin.v.donahue.civ@us.navy.mil or by phone at 215-697-2198.