This is a sources sought notice for the new manufacture of a Test Set, Blade Fold Harness (NSN 4920-011560965, part number 70700-77453-041), with an estimated requirement of 11 each. The applicable NAICS code is 332710, and the government is conducting market research to determine whether the procurement will be set aside for small businesses or opened to full competition. Interested parties must submit tailored capability statements and organizational information, including details on subcontracting or teaming arrangements if relevant. Potential sources must be able to supply all labor, materials, and equipment, and may handle supply chain management and logistics. No solicitation exists at this time, and responses are voluntary; the only approved source is Sikorsky Aircraft Corporation, and technical orders are not available.