The Department of Defense, through the NAVSUP Weapon Systems Support office, is seeking to procure two frequency converters for repair and modification on a sole source basis from Chelton Limited. The specific item required is identified by NSN 7R-5895-016900881-CB and part number 7-1500-1, with no available drawings or data for alternative sourcing, emphasizing the necessity for Source Approval Requests from interested parties not already approved to manufacture this material. This procurement is critical for maintaining operational capabilities within the Navy's telecommunications systems, and while the solicitation is not a request for competitive proposals, all submissions received within 45 days will be considered. Interested organizations should direct their capability statements to Jacob R. Wells at jacob.r.wells1@navy.mil, with the anticipated award date set for June 2025.