This is a sole source opportunity for 10 units of a specific damper assembly (NSN 1615016047562, part number 70106-28000-049). The government lacks sufficient data to contract with any supplier other than the current source. The acquisition is subject to Free Trade Agreements and the World Trade Organization Government Procurement Agreement. Prospective bidders must be an approved source or submit the required source approval data with their proposal, as detailed in the NAVSUP WSS Source Approval Brochure. No specific budget amount, performance location, or submission timeline is mentioned.