This requirement is for three units of NSN 7R-5975-016460635-V2, with delivery FOB origin. The flight-critical item requires engineering source approval, and only Government-approved sources are solicited. New sources must submit all required data per the NAVSUP WSS Source Approval Brochure with their offer, or it will not be considered. The acquisition is not being conducted under FAR Part 12, but interested parties may express their capability to supply a commercial item within 15 days of this notice.