The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is seeking quotes for the procurement of four fluid valve stems under solicitation number NSN 4820016499476. The requirement includes the delivery of these valves to DLA Distribution within 171 days after order, with approved sources specified as 90099 4D09636-001 and 90099 6511E88FN6. These valves are critical components in various defense applications, ensuring operational efficiency and reliability. Interested vendors must submit their quotes electronically, as hard copies of the solicitation are not available, and inquiries can be directed to the DLA via email at DibbsBSM@dla.mil.