The Government requires a commercial/off-the-shelf, flight-critical item (NSN 7R-1680-016423178-P8), quantity 6 each, delivered FOB Origin. Award requires Government source approval prior to contract, and only previously approved sources have been solicited. Non-approved sources must submit the data specified in the applicable NAVSUP WSS Source Approval Information Brochure with their proposal; incomplete submissions will not be considered. The Government