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 5975-01-068-3225
NSN 6620-01-454-5717
NSN 5855-01-352-7033
NSN 5945-01-251-0100
NSN 5998-01-571-1054
NSN 5990-00-770-6975
NSN 5920-01-010-3293
NSN 5945-00-448-8817
NSN 6220-01-365-7138
NSN 6685-01-576-0070
NSN 6685-00-595-5376
NSN 5998-01-590-8214