The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking to procure three units of the Cross Beam Unit, identified by NSN 1R-1680-016871226-BL and reference number 4166AS0852-01. This procurement is a sole source requirement, indicating that the government does not possess sufficient data to contract with any source other than the current supplier, and it is subject to Free Trade Agreements and the World Trade Organization Government Procurement Agreement. Interested vendors must obtain Government Source Approval prior to award and submit the necessary documentation as outlined in the NAVSUP WSS Source Approval Brochure, which is available online. For inquiries, potential bidders should contact Samantha M. Freedman at (215) 697-6566 or via email at Samantha.M.Freedman.CIV@us.navy.mil.