Presolicitation notice from the Department of Defense, Department of the Navy, Naval Supply Systems Support office, for the procurement of circuit breakers. The circuit breakers are classified under PSC industry code 5925 and are used for various applications. The notice specifies the National Stock Number (NSN), technical data package version, and a quantity of 107 each. Delivery is required FOB origin. The procurement is intended to be a sole source to GE Aviation, with other capable firms being able to express interest in the requirement. The circuit breakers must be acquired from/repaired by a source specified on a source control or selected item drawing. Government source approval is required prior to contract award due to the flight critical nature of the item and the lack of suitable technical data or manufacturing/repair knowledge from other sources. Interested parties must submit the necessary information for source approval along with their proposal. The notice also provides links to source approval information brochures and other relevant documents. The proposed contract action is for supplies or services for which the Government intends to solicit and negotiate with only one source, but all responsible sources may identify their interest and capability to respond to the requirement. The Government will consider all proposals received within 45 days (or 30 days if award is issued under an existing Basic Ordering Agreement) after the date of publication of this synopsis. The Government is not using the policies contained in FAR Part 12 for this procurement, but interested persons may identify their interest and capability to provide a commercial item within 15 days of this notice.