The Department of Defense, specifically the Department of the Air Force, is seeking proposals for the procurement of a Control Unit, Supervisory, identified by NSN 2995-01-519-5438NZ and part number 4089287, which is critical for the F100-PW-220/220E engine. This sole source requirement, designated for Hamilton Sundstrand Corp., involves the supply of six units, each functioning as a digital electronic engine control, with specific dimensions and materials detailed in the solicitation. The estimated solicitation issue date is January 13, 2026, with a closing date of February 13, 2026, and interested parties must ensure they are qualified sources prior to the solicitation closing to be considered for award. For further inquiries, potential offerors can contact William Heckenkemper or Savannah Mincey via their respective emails.