The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support Mechanicsburg, is soliciting proposals for the procurement of duplex ball bearings, classified under the NAICS code 332991. The bearings must adhere to the MIL-B-17931 Military Specification for quiet operation and meet various quality assurance and inspection requirements, including Production Lot Testing and compliance with configuration control standards. These bearings are critical components for military applications, particularly in submarines and surface ships, emphasizing the need for stringent quality and safety standards. Interested vendors should contact Abigail R. Hurlbut at 717-605-6805 or via email at ABIGAIL.R.HURLBUT.CIV@US.NAVY.MIL for further details, with proposals expected to be submitted in accordance with the specified timelines.