From the notice

SUBJECT: Market research is being conducted to identify potential sources that may possess the expertise, capabilities, and experience to meet the requirements for production of the following items: ITEM DESCRIPTION NSN: 5895-01-683-8777 Nomenclature: Double Mixer, UP CONVERTER Specification Control Drawing: 037-003066 Part Number: SM1138 (CAGE 60979) Estimated Quantity: 54 each NSN: 5895-01-683-8776 Nomenclature: Double Mixer, DOWN CONVERTER Specification Control Drawing: 037-003100 Part Number: SM1137 (CAGE 60979) Estimated Quantity: 36 each These items are used on the AN/ALQ-161 Electronic Warfare System installed on the B-1B aircraft. A redesign of these configurations and First Article Testing was successfully completed in 2024. This requirement is for production of the approved configurations. Impediment to Competition: The Original Equipment Manufacturer (OEM) is Spectrum Microwave (CAGE 60979), which maintains configuration control by part number. The Government possesses source control drawings but does not own the manufacturing-level Technical Data Package (drawings, schematics, or other releasable manufacturing data) for these items. As a result, Spectrum Microwave (CAGE 60979) is the only known source with adequate knowledge and possession of the required technical data and capabilities needed to produce these items and ensure compatibility with the higher-level assembly.

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