MATERIAL ALUMINUM ALLOY FED SPEC QQ-A-225/9 COND T7351; CENTER TO CENTER DISTANCE BETWEEN FIRST AND LINK END HOLES 2.403 IN MIN AND 2.409 IN MAX; DISTANCE FROM FIRST LINK HOLE CENTER TO END 0.44 IN MIN AND 0.47 IN MAX; DISTANCE FROM SHAFT HOLE CENTER TO END 0.625 IN MIN AND 0.655 IN MAX