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 5925-00-910-0033
NSN 5996-00-050-6570
NSN 6645-00-733-9341
NSN 5998-00-285-1502
NSN 5975-01-196-0485
NSN 5935-01-262-4860
NSN 6240-01-499-5890
NSN 5975-01-528-6800
NSN 5945-01-296-8558
NSN 5965-01-521-4452
NSN 5920-01-574-1689
NSN 5975-00-366-7440