Infinity Plan Achromatic Objective (no

188 in, Thickness Tolerance +/-0.1018 Carbon Steel Rectangular Bar, Material Carbon Steel, Material Grade 1018, Thickness 0.001 in, Overall Length 24 in, Overall Width 2 1/2 in, Fabrication Cold Finished, Heat Treatable Yes, Heat Treatment No Heat Treatment, Mechanical Finish Precision Ground, Yield Strength 53,700 psi, Tensile Strength 63,800 psi, Brinell Hardness 126, Rockwell Hardness 71, Machinability 78 Percent, Standards ASTM A681, Appearance Metallic, Includes Material Certificate Yes.

Aluminum Rod 2011, Aluminum, 2011, T3, Rod, Outside Diameter 1 in, Outside Diameter Tolerance +/- 0.125/-0 in, Fabrication Cold Finished, Heat Treatment Tempered, Heat Treatable Yes, Mechanical Finish Mill, Yield Strength 43,000 psi, Tensile Strength 55,000 psi, 95 Brinell Hardness, 60 Rockwell Hardness, Includes Material Certificate Yes, Standards ASTM B211, Minimum Temperature 1,005 Degrees F, Maximum Temperature 1,190 Degrees F.

125/-0 in, Fabrication Cold Finished, Heat Treatable Yes, Mechanical Finish Mill, Yield Strength 73,000 psi, Tensile Strength 83,000 psi, 150 Brinell Hardness, 87 Rockwell Hardness, Includes Material Certificate Yes, Standards ASTM B211, Alloy Type 7075, Tolerance Rating Standard.002 in, 6 ft Overall Length, Length Tolerance +0.Aluminum Rod 7075, Aluminum, 7075, T651, Rod, Outside Diameter 7/8 in, Outside Diameter Tolerance +/- 0.

002 in, Fabrication Cold Finished, Heat Treatment Annealed, Heat Treatable No, Mechanical Finish Unpolished, Yield Strength 34,800 psi, Tensile Strength 89,900 psi, 160 Brinell Hardness, 83 Rockwell Hardness, Includes Material Certificate Yes, Standards AMS 5640, ASTM A582.5 in Thickness, Thickness Tolerance +/-0.005 in, 0.

5 in Thickness, Thickness Tolerance +/-0.