The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking to procure 20 units of the electron tube identified by NSN 7R-5960-011922461-XE and reference number 1040829-1. The procurement is limited to sources specified on a source control or selected item drawing, as the necessary technical data or manufacturing knowledge is not available for alternative sourcing. This item is critical for flight operations, and only previously approved sources will be considered for the contract, which is expected to be awarded following a 45-day notice period. Interested parties should contact Alexis T. Hoepfl at (215) 697-5072 or via email at ALEXIS.T.HOEPFL.CIV@US.NAVY.MIL for further details and to express their interest in the opportunity.