The Defense Logistics Agency (DLA) Troop Support is seeking quotes for the procurement of 43 units of the NSN 4140015924132, specifically an impeller fan centri. This procurement is a source-controlled drawing item, and the approved source for this item is identified as 0V5R4 ES9500-6355, indicating that the items must meet specific military specifications and standards. The successful vendor will be responsible for delivering the items to DLA Distribution San Joaquin within 76 days after the order is placed. Interested parties are encouraged to submit their quotes electronically, and any inquiries regarding the solicitation should be directed to the buyer via the provided email address, DibbsBSM@dla.mil.