From the notice

NSN 7R-2530-016336187-F7, TDP VER 001, QTY 5 EA, DELIVERY FOB ORIGIN. This part is a commercial/nondevelopmental/off-the-shelf item. Commercial item descriptions, commercial vendor catalog or price lists or commercial manuals assigned a technical manual number apply. One or more of the items under this acquisition is subject to: Free Trade Agreements, if DFARS clause [phone] Buy American Act--Free Trade Agreements--Balance of Payments Program, is included in thesolicitation. The World Trade Organization Government Procurement Agreement and Free Trade Agreements, if DFARS clause [phone] Trade Agreements, is included in the solicitation. The subject item requires Government source approval prior to contract award, as the item is flight critical and/or the technical data available has not been determined adequate to support acquisition via full and open competition. Only the source(s) previously approved by the Government for this item have been solicited. The time required for approval of a new source is normally such that an award cannot be delayed pending approval of a new source. If you are not an approved source you must submit, together with your proposal, the information detailed in one of the NAVSUP Weapon Systems Support (NAVSUP WSS) Source Approval Information Brochures listed below. Spares: [link] port/Business-Opps/ Repair: [link] -Weapon-Systems-Support/Business-Opps/ technical data required to be submitted based on your company's experience in production of the same or similar item, or if this is an item you have never made.

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