This standard provides criteria for packaging of uranium hexafluoride (UF6) for transport. It includes specific information on design and fabrication requirements for the procurement of new UF6 packagings. This standard also defines the requirements for in-service inspections@ cleanliness@ and maintenance for packagings in service. Packagings currently in service and not specifically defined in this standard are acceptable for use@ provided they are used within their original design limitations and are inspected@ tested@ and maintained so as to comply with the intent of this standard. Also included are cylinder loadings@ shipping details@ and requirements for valves and valve protectors.