The Department of Defense, specifically the Department of the Air Force, is seeking proposals for the repair of the C-135 Regulator, Frequency, part number 745114, through a presolicitation notice. The procurement involves an estimated annual repair of six units over a five-year period, along with additional repair categories such as "No Fault Found" and "Over and Above" repairs, essential for providing a stable frequency reference signal for the C-135 aircraft. This specialized component is critical for the aircraft's operational capabilities, and the eligible contractor for this procurement is Hamilton Sundstrand Corporation. Interested parties should note that the solicitation will be issued electronically on beta.sam.gov, with proposals due by October 1, 2024, and are encouraged to register in the System for Award Management for potential subcontracting opportunities.