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 5910-01-621-6885
NSN 5905-00-141-5807
NSN 5996-01-230-4157
NSN 5950-00-683-8304
NSN 6110-01-487-4532
NSN 6105-01-542-4117
NSN 4140-01-352-1787
NSN 6150-01-477-7867
NSN 6135-01-445-6157
NSN 5975-00-605-2956
NSN 5945-00-220-6789
NSN 6135-00-087-5300