The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking to procure three units of the GEARBOX, ACCESSORY D, identified by NSN 7R-1615-015278175-VH and part number 70351-08001-050. This procurement is a sole source requirement, indicating that the government lacks 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. The items are critical components for helicopter rotor blades and drive mechanisms, underscoring their importance in maintaining operational readiness. Interested vendors must ensure they are an approved source and submit the necessary documentation as outlined in the NAVSUP WSS Source Approval Brochure, available online, to be considered for this contract. For further inquiries, potential bidders can contact Samantha M. Freedman at (215) 697-6566 or via email at Samantha.M.Freedman.CIV@us.navy.mil.