The Department of Defense, through the Defense Logistics Agency (DLA) Aviation at Philadelphia, PA, is seeking to procure 10 units of a specific torque collar (NSN 7R-1620-016411038-QE, REF NR 74A430612-1009) for aircraft landing gear components. This procurement requires engineering source approval to ensure the quality of the part, necessitating that the acquisition or repair be conducted by approved sources with unique design capabilities and manufacturing knowledge. Interested parties are encouraged to express their interest and capability to meet the requirement, as the government intends to negotiate with only one source under FAR 6.302-1, with proposals due within 45 days of the notice publication. For further inquiries, interested vendors can contact Michael Kneble at (215) 737-5619 or via email at MICHAEL.KNEBLE@DLA.MIL.