The Department of Commerce, specifically the National Institute of Standards and Technology (NIST), is seeking sources for the procurement of twenty-seven (27) semirigid cables, two (2) VNA test cables, and ten (10) flexible cables. These cables are critical for the automated measurement of NIST's standard reference materials related to complex permittivity, supporting the NIST CHIPS program. The sources sought notice outlines specific technical requirements for each cable type, including dimensions, frequency ranges, and connector specifications, and emphasizes that this inquiry is for market research purposes only, with no commitment to issue a solicitation or award a contract. Interested vendors should provide their company information, product details, and pricing to the primary contact, Elizabeth Timberlake, at elizabeth.timberlake@nist.gov, or the secondary contact, Donald Collie, at donald.collie@nist.gov.