The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is seeking quotes for the procurement of 393 units of the NSN 5855016418826 RING, RETAINING, OPTI. This solicitation is part of a combined synopsis/solicitation and is classified under the NAICS code 334511, which pertains to the manufacturing of search, detection, navigation, guidance, aeronautical, and nautical systems and instruments. The goods are critical for defense operations, ensuring the reliability and functionality of various military equipment. Interested vendors must submit their quotes electronically, as hard copies will not be provided, and any inquiries should be directed to the buyer via email at DibbsBSM@dla.mil. The delivery is expected within 168 days after order, and all responsible sources are encouraged to participate.