This is a Request for Quotation for a firm-fixed price purchase order to supply and repair specific solenoid valves and a manifold assembly, requiring access to OEM parts and technical data from Hamilton Sundstrand and RTX Corporation. Sources must provide a Certificate of Conformance and have the expertise to perform the required repairs. Only quotations with F.O.B. Destination or F.O.B. Origin shipping terms will be accepted. The closing time for receipt of offers is 4:30 p.m. Eastern Time on 17 February 2026. Email submissions are preferred.