From the notice

Sources Sought Template (Request for Interested Manufacturers) FROM: Amy Hatfield, 409 SCMS/GUMCC TO: DLA Aviation Procurement Operations at Warner Robins (SPRWA1) LOCATION: Robins AFB, GA 31098-1813 FBO Post Title: Intent to sole-source purchase F-15 Variable Inlet Ramp (Diffuser), Left Hand NSN: 1560-01-621-1723FX. SUBJECT: Market research is being conducted to identify potential sources that may possess the expertise, capabilities, and experience to meet the requirements for qualification and production of the following: F-15 Variable Inlet Ramp (Diffuser), Left Hand 1560-01-621-1723FX 68A327007-1001 ITEM DESCRIPTION: The above item is located inside the air intake system on the left side of the aircraft. The Variable Inlet Ramp (Diffuser) is used to control airflow to assist with engine performance. It is designed solely for F-15 applications and used on F-15 E and EX model aircraft only. Impediment to Competition: The original equipment manufacturer for this item is The Boeing Company (Support Equipment Systems and Services), CAGE 76301. The Government does not own any data, drawings, schematics, or any other releasable technical data in support of this requirement. As a result, the Boeing Company is the only known source with adequate knowledge of the performance requirements and possession of the required technical data and capabilities needed to produce this item and ensure compatibility of the equipment.

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