The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is seeking proposals for an Indefinite Quantity Contract (IQC) for the supply of FILTER, ELEMENT, FLUID (NSN 1650-01-114-1899) specifically for the FA-18 aircraft. This procurement is a 100% Small Business Set-Aside, with an estimated annual quantity of 2,560 units over a five-year base period, and production units will be delivered FOB Destination with inspection and acceptance at the origin. The item is critical for operations but is not classified as a Critical Safety Item, and interested vendors are encouraged to respond to this presolicitation notice within 45 days of publication, with the solicitation expected to be issued on December 4, 2025. For further inquiries, vendors may contact Chris Rose at CHRISTOPHER.ROSE@DLA.MIL or Jeremy Prince at Jeremy.Prince@dla.mil.