The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is soliciting proposals for the procurement of cooling interface and similar replacement parts. This procurement is critical as the materials will be utilized in shipboard systems that enable the launch and recovery of aircraft, where the use of incorrect or defective materials could lead to severe consequences, including personnel injury or loss of aircraft. The solicitation is a sole source spares solicitation, with the proposal submission date extended to 31 October 2025, and all contractual documents will be considered issued upon transmission by the Government. Interested parties can contact Michael Dickens at 215-697-4516 or via email at MICHAEL.J.DICKENS5.CIV@US.NAVY.MIL for further details.