The Department of Defense, through the Defense Logistics Agency (DLA Land and Maritime), is seeking proposals for the procurement of QUAD CALIBRATION GAS under presolicitation CM25160006. This acquisition involves a firm-fixed price, indefinite quantity contract for National Stock Number (NSN) 6665-20-001-4671, with a total small business set-aside, aimed at supporting DLA stock in the continental United States. The contract is valued at up to $2,278,881 and includes a one-year base period with two optional one-year extensions, emphasizing the importance of timely delivery and past performance in the evaluation process. Interested suppliers should submit proposals electronically via DIBBS or email to Kimberly Pozderac at kimberly.pozderac@dla.mil, with the solicitation expected to be available on or around November 21, 2025.