The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is seeking quotes for the procurement of 1,856 units of NSN 5310-01-185-6231, specifically a plain castellated nut. This procurement may lead to an Indefinite Delivery Contract (IDC) with a term of one year or until the total orders reach $250,000, with an estimated four orders per year and a guaranteed minimum quantity of 185 units. The items are critical hardware components that will be shipped to various DLA depots both within the continental United States (CONUS) and outside (OCONUS), and they must meet specific source-controlled drawing requirements. Interested vendors should submit their quotes electronically, and for any inquiries, they can contact the DLA at DibbsBSM@dla.mil. The solicitation is available online, and hard copies will not be provided.