The Department of Defense, through the Naval Air Warfare Center Aircraft Division (NAWCAD), is seeking proposals for the manufacture of six Retractable Sheaves to support the CVN 81 Advanced Arresting Gear (AAG) System. The procurement includes three Retractable Sheaves for the starboard side and three for the port side, which are classified as Critical Safety Items (CSIs) and must be produced according to government specifications. This contract is crucial for ensuring the operational safety and effectiveness of the AAG System on the CVN 81 aircraft carrier. Interested vendors, specifically those listed as qualified sources, are encouraged to submit proposals to Jonathan Lopes at jonathan.a.lopes.civ@us.navy.mil, as the government intends to limit competition based on the unique requirements of this procurement.