A structural shape fabricated from a ferrous or nonferrous material and resembles the following cross-sectional forms: for the letter h, both flanges of the h section are equal or longer than the width measured along the axis of the web; for the letter i, a 16 2/3 percent slope on the inside face of the ferrous type flange, either one or both of the nonferrous type flanges are shorter than the length measured along the axis of the web; for the letters t and z, on nonferrous type, the web is usually at right angles to the flanges. Letter h section may have a maximum of 5 percent slope on the inside face of the flanges.
NSN 6320-01-512-2031
NSN 5975-01-498-5139
NSN 6150-01-314-4628
NSN 5950-01-424-2019
NSN 5930-01-274-2646
NSN 4140-01-467-8557
NSN 5950-01-443-3321
NSN 7035-01-510-8787
NSN 6105-00-740-7757
NSN 5835-01-158-6878
NSN 6685-01-130-7713
NSN 6240-01-557-7463