The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking offers for the repair and modification of transmitters under the presolicitation titled "58--TRANSMITTER, COUNTER, IN REPAIR/MODIFICATION OF." The procurement involves a quantity of 159 units of the National Stock Number (NSN) 7R-5865-015384648-EX, with delivery terms set to FOB Origin, and requires compliance with specific qualification requirements at the time of award. These electronic countermeasure components are critical for military operations, ensuring effective communication and operational readiness. Interested parties should contact Shamus F. Roache at (215) 697-5047 or via email at SHAMUS.F.ROACHE.CIV@US.NAVY.MIL for further details, and they are encouraged to express their interest and capability to meet the government's requirements within 15 days of this notice.