The Department of Defense, through NAVSUP Weapon Systems Support, is seeking to procure repair services for a specific transmitter part from Northrop Grumman Systems Corp, identified by NSN: 5865015796300 and P/N: 001-008065A0402. This procurement is critical as Northrop Grumman is the Original Equipment Manufacturer (OEM) and the only known source capable of providing the necessary repair support, with no available drawings or data for alternative suppliers. Interested parties may submit capability statements or proposals within 30 days of this presolicitation notice, with the solicitation expected to be issued on December 17, 2025, and responses due by January 17, 2026. For further inquiries, contact Shamus F. Roache at Shamus.F.Roache.CIV@us.navy.mil.