The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking a sole source procurement for 150 units of the Preload Assembly, identified by NSN 1R-1680-016879729-BL and reference number 4166AS0812-07. This acquisition is critical as the government lacks sufficient data to contract with sources other than the current supplier, emphasizing the importance of Government Source Approval prior to award. The items involved are subject to Free Trade Agreements and the World Trade Organization Government Procurement Agreement, highlighting their international trade significance. Interested vendors must contact Casey M. Brown at (215) 697-3752 or via email at CASEY.M.BROWN20.CIV@US.NAVY.MIL for further details and to obtain the necessary Source Approval Brochure, with delivery terms set to FOB Origin.