The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is seeking proposals for the procurement of self-locking nuts under the solicitation titled "53--NUT,SELF-LOCKING,EX." This opportunity is set aside for small businesses, specifically under the Total Small Business Set-Aside (FAR 19.5), and falls under the NAICS code 332722, which pertains to Bolt, Nut, Screw, Rivet, and Washer Manufacturing. The self-locking nuts are critical components used in various defense applications, ensuring secure fastening in demanding environments. Interested vendors should direct any inquiries regarding this solicitation to the buyer listed in the solicitation document, and can access further details through the DLA's DIBBS portal.