The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support MECH, is seeking to procure 55 units of a specialized part identified by NSN 1H-2090-017147031-ST, referred to as the "LARGE AFT TILE." This procurement requires engineering source approval to ensure the quality of the part, necessitating that the acquisition or repair be conducted by approved sources with unique design capabilities and manufacturing knowledge. The part is critical for maintaining operational standards within naval operations, and interested vendors must adhere to qualification procedures set by the cognizant Government engineering activity. For further inquiries, potential bidders can contact Abigail R. Hurlbut at (717) 605-6805 or via email at ABIGAIL.R.HURLBUT.CIV@US.NAVY.MIL.