From the notice

NSN 1R-1680-015285408-V2, REF NR 901-033-774-103, QTY 17 EA, DELIVERY FOB ORIGIN. The design of this part is unstable. Engineering, manufacturing, or performance characteristics indicate that the required design objectives have not been achieved. Major changes are contemplated because the part has a low process yield or has demonstrated marginal performance during tests or service use. These changes will render the present part obsolete and unusable in its present configuration. Limited acquisition/repair from the present source is anticipated pending configuration changes. 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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