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 5990-00-110-1153
NSN 6130-00-139-1495
NSN 5998-01-529-2864
NSN 5950-00-505-0809
NSN 5855-00-885-8452
NSN 5915-01-468-0053
NSN 6135-01-204-8712
NSN 5985-01-518-9429
NSN 6620-00-394-1812
NSN 5925-01-368-0331
NSN 6685-01-239-7676
NSN 6145-01-471-5413