The Department of Defense, specifically the Department of the Air Force, is seeking contractors for the overhaul of F100-PW-220 4th/5th stage inner compressor shrouds, identified by National Stock Numbers (NSNs) 2840-01-205-1302NZ and 2840-01-205-1304NZ. This procurement is part of a presolicitation notice aimed at ensuring the maintenance and operational readiness of critical aircraft engine components, which are vital for military aviation. The opportunity is set aside for small businesses under the Small Business Administration guidelines, and interested parties are encouraged to review the attached pre-solicitation notice and training materials for the PIEE Solicitation Module. For further inquiries, potential bidders can contact Jacob Stephens at jacob.stephens.5@us.af.mil or by phone at 405-739-5390.