This is a sole source solicitation intended for Boeing Distribution Inc. to provide long lead-time material, specifically Puller and Pusher Lip Seal Tooling, for the Rolls-Royce T56 Model 250 engines on U.S. Naval ships. The tooling supports critical intermediate-level repairs on the 50-KS4 RIMSS within the engine. The requirement is being processed under FAR Parts 12 and 6.103-1 on a sole source basis, with a NAICS code of 339991. Interested parties may express their interest and capability, but the government does not intend to compete the contract. The required delivery date is 19 November 2026.