The Department of Defense, through the Defense Logistics Agency (DLA Land and Maritime), is seeking quotes for the procurement of 31 units of the Propeller Shaft WIT, identified by National Stock Number (NSN) 2520004514649. This procurement is based on a source-controlled drawing, and the approved source for this item is 77873 4-73154, indicating the importance of compliance with specific military specifications and standards. The items are critical components for vehicular equipment, and all responsible sources are encouraged to submit their quotes electronically, as hard copies of the solicitation will not be available. Interested parties should direct any inquiries to the buyer via email at DibbsBSM@dla.mil, with quotes due within 157 days after the award date.