DLA Weapons Support-Columbus plans a Firm-Fixed-Price IDIQ long-term contract under FAR Part 12 commercial-item procedures for a critical DLA-managed engine lubricating oil cooler (NSN 2930-014332550), with a five-year ordering period consisting of a three-year base period and two one-year options. This is an Other than Full and Open Competition procurement with Best Value award consideration, and the approved-source item requires export-control compliance, contractor first article testing, and surge requirements. Inspection and acceptance are at origin, FOB source, with requested delivery 90 days after receipt of order once FAT is approved and material under delivery orders due within 140 days after receipt of each order. Offerors must complete the solicitation in its entirety, and the solicitation will be available via DIBBS on 11/23/2026; source-controlled drawings are available through TDMT by querying MR014332550. The FAT schedule is 90 days for report submission and 60 days for Government evaluation, and the estimated annual demand quantity is 162 EA.