The Department of Defense, through the Defense Logistics Agency (DLA) Aviation at Philadelphia, PA, is seeking qualified sources for the procurement of 7 units of the BRACE ASSEMBLY, identified by NSN 7R-1560-015332440-QE and reference number 74A430800-2021. This procurement requires engineering source approval due to the flight-critical nature of the part, necessitating that only approved sources with unique design capabilities and manufacturing knowledge may participate. Interested parties must submit their proposals along with the necessary source approval documentation within 45 days of this presolicitation notice, with the understanding that the government may proceed with award based on fleet support needs if new source approvals cannot be processed in time. For further inquiries, contact Michael Kneble at (215) 737-5619 or via email at MICHAEL.KNEBLE@DLA.MIL.