The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking proposals for the procurement of 21 units of a flight-critical component identified as NSN 7R-3040-014675264-QE, titled "Shaft, Shouldered." This procurement requires engineering source approval from the design control activity to ensure the quality and reliability of the part, as it necessitates unique design capabilities and manufacturing knowledge that are not readily available to the Government. Interested vendors must provide comprehensive documentation to demonstrate their qualifications, as only approved sources will be considered for the award, which is anticipated to be made within 45 days of the notice. For further inquiries, interested parties can contact Gina P. Sassane at (215) 697-2198 or via email at GINA.P.SASSANE.CIV@US.NAVY.MIL.