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 6135-00-165-3756
NSN 6620-00-684-6771
NSN 6620-01-623-2530
NSN 5950-01-655-2506
NSN 5950-01-447-2839
NSN 5925-00-159-1544
NSN 5990-01-039-0898
NSN 5930-01-273-0946
NSN 2925-01-289-6448
NSN 5999-00-196-3635
NSN 5920-00-840-5428
NSN 6620-01-550-2804