The Department of Defense, specifically the Department of the Navy, is seeking to procure 45 units of the DDM Module Assembly, identified by NSN 0O-5930-LLH7E3841, through a presolicitation notice. This procurement is set aside for small businesses and requires that the part be sourced from specified sources due to the lack of available technical data or manufacturing knowledge for alternative suppliers. The successful contractor will be responsible for delivering the items to designated locations in Pennsylvania and California, with proposals due within 45 days of the notice publication. Interested parties should contact Christian D. Spangenberg at (717) 605-5192 or via email at CHRISTIAN.SPANGENBERG@NAVY.MIL for further details.