The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is seeking to establish an Indefinite Quantity Contract (IQC) for the procurement of a metallic seal for aircraft, specifically NSN 2840-01-442-9118, used in F15 aircraft. This contract will cover a five-year base period with an estimated annual quantity of 400 units, which are critical components deemed Air Force Critical Safety Items, necessitating First Article Testing and Export Control. Interested contractors must submit a Source Approval Request (SAR) to be considered, as the government intends to negotiate with a limited number of sources, primarily RTX Corp. and AGC Acquisition LLC. Proposals are due within 45 days of the notice, with the solicitation expected to be issued on December 29, 2025; interested parties should contact Chris Rose at CHRISTOPHER.ROSE@DLA.MIL or Jeremy Prince at Jeremy.Prince@dla.mil for further information.