This is a Sources Sought Notice for market research, not a solicitation, seeking manufacturers for an IMPELLER, FAN, CENTRIFUGAL (NSN 4140-01-696-1946). The government lacks technical data for the item and aims to identify potential sources for a possible five-year Indefinite Quantity Contract. Interested vendors must submit a complete data package by July 10, 2026. No budget amount is specified, and the location for performance of services is not mentioned. The government is not obligated to purchase any material as a result of this inquiry.