Presolicitation DEPT OF DEFENSE DEPT OF THE NAVY is seeking a MEMORY UNIT,VIDEO, for repair/modification purposes. This item is used in video recording and reproducing equipment. The procurement requires engineering source approval to maintain quality. Only approved sources have been solicited due to the item's flight critical nature and limited technical data availability. Interested parties must submit the necessary information for source approval. The proposed contract action is non-competitive, but all proposals received within the specified timeframe will be considered.