From the notice

NSN 7H-6695-010878508-GL, TDP VER 006, REF NR 41GP21W-50D-1C, QTY 3 EA, DELIVERY FOB ORIGIN. The proposed contract action is for supplies or services for which the Government intends to solicit and negotiate with only one source under the authority of FAR 6.302-1. All responsible sources may identify their interest and capability to respond to the requirement or submit proposals, quotations or capability statements. This notice of intent is not a request for competitive proposals. However, all proposals received within 45 days (30 days if award is issued under an existing Basic Ordering Agreement (BOA) after date of publication of this synopsis will be considered by the Government. A determination by the Government not to compete with this proposed contract based upon responses to this notice is solely within the discretion of the Government. Information received will normally be considered solely for the purpose of determining whether to conduct a competitive procurement. This part must be acquired from/repaired by a source(s) specified on a source control or selected item drawings as defined by the current version of DoD-STD-100. Suitable technical data, Government data rights, or manufacturing/repair knowledge are not available to permit acquisition from/repair by other sources, nor qualify testing of another part, nor use of a second source part in the intended application.

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