61S.875-6-A Flat Bar Stock, Aluminum, 6061, T6511, Bar, 6 in Overall Length, Length Tolerance +0.125/-0.000 in, 7/8 in Overall Width, Width Tolerance +/-0.010 in, 0.875 in Thickness, Thickness Tolerance +/-0.010 in, Fabrication Extruded, Heat Treatment Pre-Hardened, Heat Treatable Yes, Mechanical Finish Mill, Yield Strength 37,000 psi, Tensile Strength 42,000 psi, 95 Brinell Hardness, B95 Rockwell Hardness, Includes Material Certificate Yes, Standards ASTM B221, AMS QQ-A-200/3