The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is seeking proposals for the procurement of filter elements for the KC-135 aircraft, identified by NSN 1650-002991775. This presolicitation notice outlines a requirement for an Indefinite Quantity Contract with an estimated maximum order quantity of 140 units over a five-year period, with a delivery schedule of 188 days after receipt of order. The goods are critical for aircraft hydraulic systems, emphasizing their importance in maintaining operational readiness. Interested vendors must submit their proposals in writing by fax and are encouraged to review the solicitation details available on the DLA Internet Bid Board System, with the solicitation issue date set for April 22, 2025. For further inquiries, contact Cindy Hunt at (804) 971-7217 or via email at cindy.hunt@dla.mil.