This is a sole source procurement for 18 units of NSN 7R-6610-014323229-KB, with delivery on a FOB origin basis. The government lacks sufficient data to contract with sources other than the current approved manufacturer. The items require Government Source Approval prior to award; offerors not already approved must submit all data specified in the NAVSUP WSS Source Approval Brochure, or their offers will not be considered. The acquisition is subject to Free Trade Agreements and the WTO Government Procurement Agreement. No solicitation number, submission dates, or budget amounts are provided in this notice.