The Department of Defense, through the Department of the Navy's 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. The requirement includes a quantity of two units, with delivery terms set to FOB Origin, indicating that the seller is responsible for transportation costs until the goods reach the destination. These piston assemblies are critical components used in aircraft landing gear systems, underscoring their importance in maintaining operational readiness and safety. Interested parties are encouraged to submit their capabilities or proposals within 45 days of the publication of this presolicitation notice, with contact inquiries directed to Brian J. Emde at (215) 697-4313 or via email at BRIAN.EMDE@NAVY.MIL.