This opportunity is for the procurement of 8 units of a flight-critical item (NSN 0R-5865-017234263-E8), with delivery required FOB Origin. Only sources previously approved by the Government are being solicited, and new sources must submit detailed source approval information with their proposal, as award cannot be delayed for approval processing. The item requires Government source approval prior to contract award due to inadequate technical data for full and open competition. No specific budget amount or performance location is mentioned in the description. Interested parties must provide all required data from the NAVSUP WSS Source Approval Brochure or their offer will not be considered.