Material: aluminum alloy; 17.21 in.Lg; 1.010 in.Dia; second end 0.716 in. Diameter hole countersunk 90 degrees to 0.750 in.Dia, internally threaded 3/4-32 un-2b, 0.38 in.Deep; after welding reheat-treat to the t6 temper iaw mil-h-6088; surface treatment: all surfaces shall be 7.2.2 (dyed black) of mil-std-171; part number is applied per mil-std-130
