This notice is for market research only, seeking sources that can manufacture NSN 5925-01-540-0395, a circuit breaker, for a possible long-term contract solicitation; it is not a Request for Proposal. The currently approved manufacturers are Eaton Corporation, with part numbers 6636C33G12 and LDC3600T52VWC110H09U1801. Interested sources should complete the attached Market Research Questionnaire and submit it to Contract Specialist Brittney Lane at Brittney.Lane@dla.mil. The item is classified AMC 3 and AMSC Z.