The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support Mechanicsburg, is soliciting proposals for a parts kit for a 3-inch combination hull and backup ball valve. This procurement involves the supply of critical components, including a ball and matching seats, which are essential for shipboard systems where the use of incorrect or defective materials could lead to severe safety risks and operational failures. The contract emphasizes stringent quality assurance requirements and includes provisions for first article testing, material certifications, and compliance with various military specifications. Interested vendors should contact Holly J. Smith at 717-605-1470 or via email at holly.j.smith39.civ@us.navy.mil for further details, with proposals expected to adhere to the outlined specifications and timelines.