The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support Mechanicsburg, is soliciting proposals for the procurement of shut-off cartridges. The contract requires the manufacture and design of these cartridges to meet specific technical requirements, including compliance with applicable documents and quality assurance standards. These cartridges are critical components used in various defense applications, ensuring operational efficiency and safety. Interested vendors should direct inquiries to John A. Masters at 717-605-1213 or via email at JOHN.A.MASTERS15.CIV@US.NAVY.MIL, with proposals expected to remain valid for 60 days post-submission.