Material monel alloy 400 strip, cold-rolled annealed iaw qq-n-281, length 4.500 in., width 1.250 in., thickness 0.370 in., 3/8-16 unc-2b 2 places 2.870 in. Apart spaced equidistant from ends in center of width, curvature along length at a radius of 37.000 in