The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking proposals for the procurement of a flight-critical receiver, identified by NSN 1R-1680-LLF02N672-P8 and reference number 147A6156-20, with a quantity of one unit required for delivery FOB origin. This procurement is unique as it necessitates Government source approval prior to contract award due to the lack of sufficient technical data for open competition, meaning only previously approved sources will be solicited. Interested vendors must submit comprehensive documentation as outlined in the NAVSUP Source Approval Information Brochures to demonstrate their capability to produce the item, with proposals due within 45 days of this notice. For further inquiries, interested parties can contact Helen I. Carmelo at (215) 697-1138 or via email at HELEN.I.CARMELO.CIV@US.NAVY.MIL.