NSN --013438963-, TDP VER 001, REF , QTY 4 , DELIVERY FOB Origin (Shipping Point); The Government intends to solicit sole source to Rockwell Collins CAGE 84T51 for the repair of PN 131240-9B in the quantity of 4 each. Source Approval Statement applies to this part. Any firm which is not already approved to manufacture this material must submit a Source Approval Request (SAR). This procurement will not be delayed to wait for a SAR approval.