The Department of Defense, specifically the Department of the Navy, is soliciting proposals for the repair and modification of regulating valves under the contract titled "48--VALVE, REGULATING, FL, IN REPAIR/MODIFICATION OF." The procurement requires contractors to provide a Firm Fixed Price for the full repair effort, including teardown and evaluation rates, with a requested turnaround time of 150 days for the refurbishment of critical shipboard systems. These valves are essential for maintaining operational integrity, as the use of incorrect or defective materials could lead to severe consequences, including personnel injury or loss of vital systems. Interested contractors should submit proposals to Michael Thoman at MICHAEL.E.THOMAN2.CIV@US.NAVY.MIL, with all contractual documents to be issued electronically, and must comply with various quality assurance and inspection requirements outlined in the solicitation.