This is a sole-source procurement for a specific aircraft engine accessory part (NSN 1R-1650-016629767-H5, part number 06208-04045-103), with a quantity of three units and delivery on an FOB origin basis. The government does not possess sufficient data to contract with any source other than the current one. The items are subject to Free Trade Agreements and the World Trade Organization Government Procurement Agreement. Government source approval is required prior to award, and new sources may not be approved in time for the award; unapproved sources must submit the full data specified in the NAVSUP WSS Source Approval Brochure. Contact information for inquiries is provided.