I claim the ornamental design for a pair of fuel tank flanges, as shown and described.
FIG. 1 is an isometric view of the left fuel tank flange of the pair of fuel tank flanges, looking downwardly toward the top thereof;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a left side view of FIG. 1;
FIG. 4 is a front view of FIG. 1; wherein the back view is a mirror image thereof;
FIG. 5 is a top view of FIG. 1; and,
FIG. 6 is a bottom view of FIG. 1.
The right fuel tank flange of the pair of fuel tank flanges is a mirror image of the left fuel tank flange. Only the left fuel tank flange of the pair of fuel tank flanges has been illustrated for ease of illustration.