The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking qualified sources for the procurement of a SUM Transmitter, Air, identified by NSN 7R-1680-015612485-E7, with a quantity of 4 each required. This procurement necessitates engineering source approval by the design control activity to ensure the quality of the part, as the approved sources possess unique design capabilities and essential technical data that are not economically available to the Government. The successful vendor must comply with qualification procedures established by the cognizant Government engineering activity to maintain the integrity of the part in its intended application. Interested parties can contact Carol A. Burke at (215) 697-4324 or via email at CAROL.A.BURKE@NAVY.MIL for further details.