NASA MSFC SPEC 259:1965
NASA MSFC SPEC 259:1965 Radiographic Inspection: Soundness Requirements For Fusion Welds In Aluminium And Magnesium Alloy Sheet And Plate Material (space Vehicle Components) Establishes requirements for acceptance or rejection of welds on the basis of radiographic inspection only. It in no way relieves or reduces requirements for visual or other inspections specified in o