This is a new spares requirement for NSN 7R-5965-016337662-P8, reference S152-0020-01, quantity 3 EA, delivered FOB origin, with no drawings available. The Government intends to negotiate with only one source, and only previously approved sources have been solicited because the item is flight critical and available technical data does not support full and open competition. Interested parties may identify their interest and capability or submit quotes, and quotes received before award will be considered. A new source must obtain engineering source approval from the design control activity and submit the required NAVSUP WSS Source Approval Brochure information with its proposal; offers missing required data will not be considered. Interested persons may also identify to the contracting officer their interest and capability to satisfy the requirement with a commercial item within 15 days of the notice.