The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is seeking quotes for the procurement of 21 units of NSN 5325-01-258-1527, specifically a retaining ring. This procurement is part of a Combined Synopsis/Solicitation process, and the approved source for this item is identified as 0UBG9 11778-C-18A. The retaining rings are critical components used in various defense applications, ensuring the secure assembly of machinery and equipment. Interested vendors must submit their quotes electronically, as hard copies of the solicitation will not be provided, and all submissions must be received within 171 days after the award date. For inquiries, potential bidders can contact the DLA via email at DibbsBSM@dla.mil.