The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is soliciting quotes for the procurement of Ball Bearings, specifically the Bearing, Ball Annula (NSN 3110 009873729). This procurement requires engineering source approval to ensure the quality of the part, necessitating that the item be manufactured by approved sources with unique capabilities and manufacturing knowledge. The bearings are critical components used in various military applications, and adherence to military specifications, including MIL-B-17931, is mandatory for compliance. Interested vendors must submit their quotes by April 23, 2025, to Kimberly Myers at Kimberly.M.Myers.civ@us.navy.mil, and the procurement will follow the Defense Priorities and Allocations System regulations.