The government seeks a source-controlled air-to-air heat exchanger manufactured to the cited drawing, with approved source 70210 and part number 2340268-3-2. The RFQ will be available through the provided link, and hard copies will not be issued; digitized drawings and military specifications may be obtained electronically. The order is for quantity 2 EA, delivered to DLA Distribution San Diego within 178 days after date of order. All responsible sources may submit electronically submitted quotes for consideration, and furnished items must meet the drawing requirements.