Presolicitation notice from the Department of Defense, Department of the Navy, for the procurement of structural components used in aircraft launching equipment. The notice states that the part requires engineering source approval and can only be acquired from approved sources due to the unique design capability and technical data rights held by these sources. An alternate source must qualify according to the design control activity's procedures. Government source approval is required prior to contract award. Interested parties must submit the necessary information for source approval. The notice also provides links to source approval information brochures. The proposed contract action is for supplies or services that will be solicited and negotiated with only one source. All responsible sources may express their interest and capability to respond to the requirement. The Government will consider all proposals received within 45 days. The notice also mentions that the Government is not using the policies contained in FAR Part 12 for this solicitation, but interested persons may identify their interest and capability to provide a commercial item within 15 days.