This opportunity is for the procurement of 3 ELECTRON TUBE spares (NSN 5960015849452, PN 587R258G02), weighing 460 pounds and used on the E-3 aircraft. The required delivery for all units is on or before June 30, 2026, with the destination being FMS ship-to code DFR002. The sole qualified source is CIRCOR Aerospace Inc (CAGE: 91816), and the acquisition is not set aside for small business, though surplus new and unused items are acceptable. No qualification requirements exist, and the data needed for competitive acquisition is not available, but all responsible sources may submit proposals for consideration. Performance location is not specified, and no budget amount is provided.