The Department of Defense, specifically the Department of the Air Force, is seeking qualified sources for the procurement of an Electron Tube, identified by NSN 5960-01-444-8163 and P/N 588R901H02, intended for use in the F-16 A/B AN/APG-66 Transmitter. Interested offerors must meet stringent qualification requirements, including the ability to manufacture, inspect, and test the item in compliance with government specifications, as well as provide a qualification test plan and a pre-contract award qualification article for evaluation. This procurement is critical for maintaining the operational capabilities of military aircraft, and potential vendors should be prepared for a qualification process estimated to take approximately 180 days, with associated costs around $3,000. For further inquiries, interested parties can contact Tracey Beringer at tracey.beringer@us.af.mil or by phone at 7772211.