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 5920-00-727-1452
NSN 6645-00-445-8143
NSN 6150-00-226-8000
NSN 6220-01-645-1759
NSN 5996-01-218-3935
NSN 6105-01-258-0346
NSN 5910-00-199-8460
NSN 6105-00-753-7458
NSN 5855-00-494-9581
NSN 5965-00-726-0485
NSN 5920-01-422-7044
NSN 5905-01-160-2571