The requirement is for NSN 7R-5975-016460634-V2, quantity 4, with delivery FOB origin. The item is flight critical and requires Government source approval, so only previously approved sources have been solicited. Any new source must submit the detailed data specified in the NAVSUP WSS Source Approval Brochure; offers lacking this information will not be considered. Interested parties may identify their interest and capability to supply a commercial item within 15 days of this notice. No budget amounts or specific performance location are mentioned.