This notice covers NSN 7R-5990-014606390-V2, quantity 34 units, with delivery FOB origin. The part is flight critical and requires Government source approval; only previously approved sources have been solicited, and new sources must submit the detailed information required by the NAVSUP WSS Source Approval Brochure with their offer. Because new source approval typically cannot be completed in time for award, the requirement may proceed based on fleet support needs. Interested parties may identify their interest and capability to satisfy the requirement as a commercial item within 15 days of this notice. The Government is not using FAR Part 12 commercial item acquisition policies for this solicitation.