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 5910-00-837-9856
NSN 5960-01-386-5770
NSN 6130-00-010-0584
NSN 6130-00-455-2423
NSN 6220-01-600-1647
NSN 6320-01-039-5891
NSN 5960-01-143-1202
NSN 5999-00-067-3960
NSN 5855-01-020-7982
NSN 5960-01-049-4374
NSN 5965-00-185-9687
NSN 5835-00-967-0998