The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is soliciting proposals for the repair and modification of butterfly valves, identified by NSN 7RH 4810 015429727 and Part Number 3291238-2. The procurement requires suppliers to provide FAA-Certified parts with an FAA Authorized Release Certificate, ensuring compliance with aviation safety standards. These valves are critical components in naval operations, necessitating reliable performance and adherence to strict quality requirements. Interested vendors must submit firm-fixed price quotes by the specified closing date, and for further inquiries, they can contact Alexis Hoepfl at 215-697-5072 or via email at alexis.t.hoepfl.civ@us.navy.mil.