The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is seeking quotes for the procurement of NSN 5310-01-185-6231, specifically for a plain castellated nut. The requirement includes a quantity of 593 units to be delivered to DLA Distribution within 163 days after order placement, and the item is subject to source control with approved manufacturers listed. These nuts are critical components in various military applications, ensuring the reliability and safety of assembled equipment. Interested vendors must submit their quotes electronically, and any inquiries should be directed to the buyer via email at DibbsBSM@dla.mil, as hard copies of the solicitation are not available.