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 6105-01-443-2980
NSN 6610-01-245-8015
NSN 6645-01-508-4012
NSN 5990-01-421-3325
NSN 6650-01-469-5651
NSN 5855-01-593-3985
NSN 6220-01-004-8909
NSN 5855-01-560-1022
NSN 5895-00-835-1222
NSN 5965-00-253-1302
NSN 5998-01-500-2651
NSN 5920-00-422-5517