This is a restricted solicitation for commercial items, with offers requested from all responsible sources, though a firm-fixed-price purchase order is anticipated to be awarded on a sole source basis to Leonardo Spa. The requirement is for two units of a submerged APU pump (NSN 2915-01-HS2-8535, P/N SM2212B), which must be repaired/overhauled using OEM parts and expertise from Secondo Mona Spa. No drawings, specifications, or schematics are available, and the contractor must furnish a Certificate of Conformance. Only quotations with F.O.B. Destination or F.O.B. Origin shipping terms will be accepted. The applicable small business size standard is $40 million, and the NAICS code is 488190.