This is an unrestricted solicitation for a 5-year Indefinite Quantity Contract to supply a specific trim switch, with an estimated annual quantity of 80 units. The Government intends to negotiate with only one or a limited number of sources, and the sole currently approved source is Guardian Electric Mfg. Co. Other interested contractors must submit a Source Approval Request (SAR) package to be considered as an additional source. Proposals received within forty-five days of the synopsis publication will be considered, and contractors must be registered in SAM.gov. The estimated date for the solicitation to be issued is May 8, 2026.