This is a solicitation for the manufacture and supply of a Gun Control Unit (EF), with the design represented by cage code 8K4J7 and part number 435-1002-4. No drawings or technical data are available for this item, and it must be marked per MIL-STD-130. Only authorized distributors of the original manufacturer will be considered, and proof of authorization must be submitted with the offer. The contractor is responsible for all inspection and quality assurance, with inspection and acceptance at the source, plus packaging per MIL-STD 2073, and payment will be made through Wide Area Workflow. Offers must be valid for 60 days.