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 5910-00-675-4503
NSN 6110-01-080-2835
NSN 6110-00-478-3794
NSN 6105-01-555-1322
NSN 5920-00-443-4653
NSN 4140-01-359-6231
NSN 5920-01-129-3273
NSN 5999-00-879-0086
NSN 6135-00-477-8847
NSN 5990-00-024-9985
NSN 6650-01-338-6042
NSN 5855-01-567-0096