This amended presolicitation is now Full and Open Competition and seeks NSN 6620-004637489, an Impeller Assembly for the C-130 Hercules aircraft, with a quantity of 70 SO. The requirement includes a Government First Article Test of a -01 unit at 180 days ARO and a total production delivery schedule of 418 days ARO, with FOB Origin and Inspection/Acceptance at Origin. Award may be based on a combination of price, past performance, and other evaluation factors, and Clause 52.246-11 higher-level contract quality requirements apply. Offerors must furnish drawings and other data for the exact product, and the item requires access to unclassified data restricted to contractors certified per DoD 5220.22M via DD Form 2345. The solicitation will be available via DIBBS on or about March 11, 2026, with no paper copies available; the buyer is Melinda Johnson.