This notice is for market research under FAR Part 10, not a current solicitation, and all responsible sources are invited to respond. The item is NSN 2915-012681594, a critical application housing, with procurement from the approved source Eaton Corporation (CAGE 86090, P/N 43401); no technical data is available. Alternate offerors must provide a complete data package covering both the approved and alternate part for evaluation, but alternate offers will not be considered for the current solicitation. Interested parties should provide the manufacturer's location (city and state), CAGE code, and POCs, and forward a statement of interest and capability to Contracting Officer Helen Davis. A market survey form is attached for providing additional information.