The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support MECH, is seeking qualified sources for the procurement of ball bearings (NSN 3H-3110-001296525-NT) under a presolicitation notice. The requirement includes a quantity of 7 each, with delivery terms set to FOB origin, and emphasizes the necessity for engineering source approval to ensure the quality of the parts, which must be acquired from approved sources due to unique design capabilities and technical data rights. These bearings are critical components in various defense applications, and interested parties are encouraged to obtain relevant specifications and standards from the DoD Single Stock Point or through ASSIST-Online. 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.