The government is seeking sources for a transmission fluid cooler, with NSN 2520-01-067-3874, part number 12311196, quantity of 43 each, for the Abrams Tank. Delivery is FOB Destination, and technical data is available for this procurement. The solicitation is expected to be released to the web on or about 30 August 2026. A reverse auction may be used as a pricing technique after solicitation close, requiring registration and online training for participants. Interested suppliers must meet Source Approval Program requirements, including vehicle-level qualification testing at their own expense.