The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is seeking quotes for the procurement of self-locking nuts, specifically NSN 5310-00-477-0513, with a total quantity of 25,441 units to be delivered to the DLA Distribution Depot in Oklahoma. This procurement is based on a source-controlled drawing, and only approved sources, identified as 56878 FN1014M-428 and 77445 704344, are eligible to submit quotes. The items are critical for military applications, ensuring secure fastening in various defense systems. Interested vendors must submit their quotes electronically, as hard copies will not be available, and any inquiries should be directed to the buyer via the provided email address, DibbsBSM@dla.mil, with the solicitation available on the DLA's website.