A self locking file folder suspension hanger made up of two u-shaped end members supporting a pair of transversely spaced horizontal suspension members, the end members having upwardly extending free ends having doubled over end portions with the upper closed end portion being doubled over to form a pair of spaced closed upper ends and a depending closed end, the suspension members being disposed through and engaging the undersides of the upper closed ends and a cross member at each end underlying the ends of said suspension members, said cross member having angled end portions being disposed to underlie said suspension members in a downwardly angled position and being rotated axially through 180.degree. to have its angled ends bear up against the suspension members to engage and self-lock the same in a pressure action against the overlying upper closed ends.