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 5999-01-394-4677
NSN 5999-01-492-8401
NSN 5960-01-504-3415
NSN 5920-01-146-6690
NSN 6150-01-442-7622
NSN 5990-01-485-6495
NSN 6620-01-166-1866
NSN 5965-00-267-4173
NSN 6610-00-664-2190
NSN 5945-01-224-6573
NSN 7035-00-763-6180
NSN 5950-01-566-9305