This is a market research notice to identify potential manufacturers for a specific power transformer (NSN 5950-01-511-4482) and is not a formal solicitation. Interested parties must submit a completed Market Research Questionnaire to the specified Contract Specialist by March 30, 2026. The notice lists two approved sources and part numbers from EMS Development Corporation. Any alternate offeror must provide a complete technical data package for both the approved and proposed alternate parts for evaluation. No budget, performance location, or other procurement timelines are specified.