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 5930-01-609-5238
NSN 6645-01-030-5288
NSN 5965-01-048-4767
NSN 5985-01-544-6705
NSN 6110-01-363-1264
NSN 6645-01-525-7493
NSN 5905-01-068-2955
NSN 6610-01-440-9913
NSN 5975-00-333-7201
NSN 6150-01-612-6746
NSN 6220-01-462-0236
NSN 5925-01-085-1216