The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking to procure two units of the Starter, Engine, Airc (NSN 7R-2995-015682048-EK, REF NR 36E80-14QA). This procurement requires engineering source approval due to the flight-critical nature of the part, necessitating that only approved sources may provide the item to ensure quality and compliance with government standards. Interested vendors must submit detailed information regarding their qualifications and capabilities, as well as any prior source approval requests, within 45 days of this presolicitation notice. For inquiries, Patrick J. Kilkenny can be contacted at (215) 697-2560 or via email at PATRICK.J.KILKENNY2.CIV@US.NAVY.MIL.