The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support MECH, is seeking to procure 100 units of Ball Bearings (NSN 3H-3110-009873735-NT) as part of a presolicitation notice. This procurement requires engineering source approval to ensure the quality of the parts, necessitating that any alternate sources must qualify according to the design control activity's procedures approved by the relevant Government engineering activity. The bearings are critical components that maintain operational integrity in various military applications, and the award will only be made to offerors who meet the qualification requirements at the time of award. Interested parties can contact Steve P. Smithey at (717) 605-7751 or via email at STEVE.SMITHEY@NAVY.MIL for further information.