The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is seeking quotes for the procurement of 278 units of NSN 3120015571820, a plain spherical bearing. This procurement is a source-controlled drawing item, and only approved sources are eligible to provide the specified item, which must meet the requirements outlined in the solicitation. The items are critical for mechanical power transmission applications, emphasizing the importance of quality and compliance with military specifications. Interested vendors must submit their quotes electronically, and any inquiries should be directed to the buyer via email at DibbsBSM@dla.mil. The solicitation is available online, and hard copies will not be provided.