The requirement is for NSN 014378169, TDP version 001, quantity 2, delivered FOB Origin. It is a sole-source procurement because the Government lacks sufficient, accurate, or legible data to contract with any source other than the current one. The item(s) are subject to Free Trade Agreements and the WTO Government Procurement Agreement and Free Trade Agreements. Government Source Approval is required prior to award, and unapproved sources must submit the NAVSUP WSS Source Approval Brochure information with their proposal or their offer will not be considered. For questions, contact marisa.l.tetkowski.civ@us.navy.mil.