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 5930-01-321-7444
NSN 6135-01-268-7056
NSN 6110-01-089-8130
NSN 6240-01-606-9549
NSN 6685-01-644-9263
NSN 7035-01-649-8134
NSN 5835-01-412-0344
NSN 6135-01-494-3607
NSN 6145-01-504-2583
NSN 5920-01-133-3759
NSN 6645-01-633-1852
NSN 6620-01-229-3388