This requirement is for a flight-critical item that requires government source approval prior to award, and only previously approved sources have been solicited. New sources must submit all required technical data per the NAVSUP WSS Source Approval Brochure with their proposal; offers failing to provide this data will not be considered. Award will only be made if the offeror, product, or manufacturer meets qualification requirements at the time of award. Interested parties may identify their interest and capability to satisfy the requirement as a commercial item within 15 days of this notice. Delivery is FOB origin.