This is a Request for Information (RFI) for market research to identify sources capable of providing sustaining engineering services for Honeywell-designed items within the 448 Supply Chain Management Wing’s portfolio. The intended contract is an Indefinite Delivery, Indefinite Quantity (IDIQ) vehicle to support rapid responses to technical inquiries via Engineering Assignments. Efforts will include component obsolescence resolution, end-item supportability solutions, repair supportability, and general engineering services. The contractor will perform studies, analyses, and qualification testing under separately funded task orders. No budget, performance location, or submission timelines are specified.