The Department of Defense, through the Defense Logistics Agency (DLA Land and Maritime), is seeking quotes for the procurement of coupling tubes, specifically NSN 4730003579311. The solicitation includes multiple line items, with a total quantity of 10 units required for delivery to DLA Distribution, with varying delivery timelines ranging from 120 to 600 days after order. These coupling tubes are critical components used in various aircraft systems, highlighting their importance in maintaining operational readiness. Interested vendors are encouraged to submit their quotes electronically, and any inquiries should be directed to the buyer via email at DibbsBSM@dla.mil.