The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking qualified sources for the procurement of two piston assemblies, identified by NSN 7R-1620-000049840-EL and part number 2579035. This presolicitation notice indicates a requirement for these aircraft landing gear components, which are critical for maintaining operational readiness and safety in naval aviation. Interested parties are encouraged to express their interest and capability to fulfill this requirement, with proposals being accepted within 45 days of the notice publication, or 30 days if awarded under an existing Basic Ordering Agreement. For further inquiries, potential bidders can contact Brian J. Emde at (215) 697-4313 or via email at BRIAN.EMDE@NAVY.MIL.