This is a 100% Small Business Set-Aside for an Indefinite Quantity Contract to supply a STAY ASSEMBLY, ENGINE (NSN 1560-00-787-9663), with a 5-year base period and an estimated annual quantity of 80 units. The contract is for non-commercial supplies, with production units delivered FOB Destination and inspection/acceptance at Origin. The item is critical and subject to Export Control, and the Government intends to solicit only from approved sources, including the OEM Boeing and 14 other listed companies. Interested parties must submit a Source Approval Request (SAR) package to be considered as a new source, as the Government does not possess complete technical data. The solicitation is expected to be issued on August 7, 2026, and the final award may consider price, past performance, and other factors.