The Department of Defense, specifically the Department of the Navy, is seeking qualified sources for the procurement of 3,825 units of a specific part identified by NSN 1H-2090-012244912-ST, under the presolicitation titled '20--TILE'. This procurement requires engineering source approval to ensure the quality of the part, necessitating that any alternate sources must qualify according to the design control activity's procedures approved by the relevant Government engineering activity. The part is critical for maintaining operational capabilities, and interested parties can obtain necessary specifications and standards through the DoD Single Stock Point. For further inquiries, Vince Molesky can be contacted at (717) 605-3353 or via email at VINCENT.MOLESKY@NAVY.MIL.