The Department of Defense, through the Naval Research Laboratory (NRL), intends to award a sole source purchase order to AVNET in Orlando, FL, for the procurement of customized filter sourcing packaged in TO-39 four channel pyroelectric detectors (Pyreos MK2 format). This procurement will consist of 10 units and is aligned with the North American Industry Classification System Code 334413 and the Federal Supply Code 3670, utilizing Simplified Acquisition Procedures under FAR Part 13.106-1(b) due to the total cost being under the simplified acquisition threshold of $250,000. While this notice does not solicit competitive proposals, interested parties may express their capabilities, although competition will be at the government's discretion, and no reimbursements for response costs will be provided. For further inquiries, interested parties can contact Carrie Cawley at carrie.a.cawley.civ@us.navy.mil or Katrina Gallagher at katrina.t.gallagher.civ@us.navy.mil.