The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support Mechanicsburg, is soliciting proposals for the procurement of a System Assembly, Sub. This contract involves the manufacture and supply of navigational instruments, with specific requirements for quality assurance, inspection, and compliance with military standards, including the prohibition of mercury contamination. The items are critical for use in submarines and surface ships, emphasizing the importance of reliability and safety in defense operations. Interested vendors should contact Lamar R. Crummel at 717-605-6474 or via email at LAMAR.R.CRUMMEL.CIV@US.NAVY.MIL for further details, as the contract is expected to be awarded bilaterally, requiring written acceptance from the contractor prior to execution.