This is a full and open competition solicitation for the procurement of new, FAA-approved spare parts for the MH-65E aircraft, with the potential for one or more firm-fixed-price Indefinite Delivery/Requirements contracts. The contract will include a one-year base period and up to four one-year option periods. All parts must be airworthy, with required certifications such as a Certificate of Airworthiness or Certificate of Conformance, and traceability to the original equipment manufacturer with no more than two ownership changes. The government may make multiple awards if it results in the best value, and no drawings or specifications are available from the agency. Performance of services is not specified, and no budget amount is provided.