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 5835-00-711-3371
NSN 5855-01-147-4785
NSN 5920-01-228-2929
NSN 5945-01-542-9117
NSN 5935-01-442-7376
NSN 5905-01-647-1650
NSN 6110-01-361-8949
NSN 5905-00-372-5214
NSN 5985-01-483-3060
NSN 5920-01-444-4082
NSN 6685-01-004-0076
NSN 5990-00-607-6210