Which file should I choose?
Use 1SCC318047F0002.dxf (revision B) to insert the supplied editable drawing into your layout. The ZIP contains the unmodified 1SCC318047F0002.dxf.
Use OS315-400B4.IGS.igs (revision A) to place the original solid geometry in your 3D assembly. The ZIP contains the unmodified OS315-400B4.IGS.igs.
