This procurement is for an indefinite quantity contract for an aircraft skin (NSN 1560-013735093), manufactured under part number 24-11-43-2 by several approved sources. The contract has a 5-year base period with no options and is a 100% small business set-aside. The estimated annual quantity is 40 units, with delivery required 290 days after order. Offerors must be certified to access unclassified data per DOD 5220.22M (via DD Form 2345) and may participate in a reverse auction through the ProcureX system. The solicitation will be available on DIBBS.