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 5920-01-310-2927
NSN 5999-00-078-1448
NSN 5960-01-304-7178
NSN 5835-01-351-3425
NSN 5910-00-761-6786
NSN 6110-01-252-3876
NSN 5925-01-558-6709
NSN 6645-00-559-3623
NSN 6610-01-588-5584
NSN 6240-00-586-6428
NSN 6220-01-544-2539
NSN 5855-00-014-5008