This opportunity is for the acquisition of 2 units of a flight-critical item (NSN 0R-5865-017234263-E8) with delivery FOB origin. Only sources previously approved by the Government have been solicited, and new sources must submit detailed source approval information with their proposal, as award cannot be delayed for approval processing. If you are not an approved source, you must provide all data required by the NAVSUP WSS Source Approval Brochure, or your offer will not be considered. Interested parties may identify their capability to satisfy the requirement with a commercial item within 15 days of this notice. Award will be made only if the offeror, product, or manufacturer meets qualification requirements at the time of award.