The Department of Defense, specifically the Department of the Navy, is soliciting proposals for the procurement of Ball Bearings, Annular (NSN 3110 009873727) through NAVSUP Weapon Systems Support Mechanicsburg. This procurement requires engineering source approval to ensure the quality of the part, and it mandates compliance with MIL-B-17931 Military Specification for quiet operation bearings. These bearings are critical components used in various defense applications, emphasizing the need for high-quality manufacturing and inspection standards. Interested vendors must submit their quotes by 4:30 PM local time on September 17, 2024, and can direct inquiries to Amanda Gowdy at AMANDA.A.GOWDY.CIV@US.NAVY.MIL or by phone at 717-605-7562.