From the notice

NSN 7R-1720-016659708-EY, TDP VER 002, QTY 3 EA, DELIVERY FOB ORIGIN. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. Existing unique design capability, engineering skills, and manufacturing/repair knowledge by the qualified source(s) require acquisition/repair of the part from the approved source(s). The approved source(s) retain data rights,manufacturing/repair knowledge, or technical data that are not economically available to the Government, and the data or knowledge is essential to maintaining the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. The qualification procedures must be approved by the Government engineering activity having jurisdiction over the part in the intended application. THIS IS A CRITICAL SAFETY ITEM (CSI). For Critical Safety Items (CSI), DFARS clause [phone], Identification of Critical Safety Items, is incorporated by reference. This solicitation includes procurement note L09 Reverse Auction (Oct 2016) from DLAD 15.407-90. The Government may conduct a reverse auction. The following is included in section M of this solicitation: The Government will consider all responsible offerors/quoters for the award. The Government will evaluate offerors/quoters based on price, delivery timeframe, and past performance. All evaluation factors other than cost or price, when combined, are approximately equal to cost or price.

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