The Defense Logistics Agency Weapons Support is seeking market research for NSN 5895-015348070, CONVERTER, SIGNAL DATA, with approved source CHELTON LIMITED (U1907) P/N 7-163PIN160HT-06-06. This is a Sources Sought Notice, not a solicitation, and responses are due by July 27, 2026, at 6:00 PM Eastern time. The procurement will result in an Indefinite Quantity Contract under NAICS code 334290, with no budget amount specified. Performance location is not specified in the description. Interested parties must submit capability statements and a Source Approval Request (SAR) application to be considered as an approved source.