The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is soliciting quotes for self-locking nuts under the solicitation titled "NUT, SELF-LOCKING, PL." This procurement requires suppliers to provide FAA-certified parts that include an FAA Authorized Release Certificate, ensuring compliance with aviation safety standards. The goods are critical for various defense applications, emphasizing the importance of quality and reliability in military operations. Interested vendors must submit their quotes via email by 4:00 PM EST on the specified closing date, and can direct inquiries to Carolyn A. Clark at 215-697-1073 or via email at carolyn.a.clark30.civ@us.navy.mil.