The Department of Defense, through the Defense Logistics Agency (DLA) Aviation at Philadelphia, PA, is soliciting proposals for the procurement of purge mode valves and similar replacement parts. The contract falls under the NAICS code 336413, which pertains to the manufacturing of other aircraft parts and auxiliary equipment, and is critical for maintaining operational readiness of military aircraft. Interested vendors should note that the solicitation has been amended to reflect changes in compliance requirements and has extended the submission deadline to May 7, 2025, by 2 p.m. For further inquiries, potential bidders can contact Loraine Smith at 215-737-4371 or via email at LORAINE.SMITH@DLA.MIL.