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 6150-01-420-6494
NSN 6620-00-182-7638
NSN 5965-01-420-6613
NSN 7035-01-512-2453
NSN 5999-00-398-1583
NSN 5855-01-396-0258
NSN 6135-01-378-3331
NSN 5985-00-370-2616
NSN 5905-01-146-5511
NSN 5920-00-142-9993
NSN 6145-01-369-1622
NSN 5930-01-577-9617