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 5960-00-497-9862
NSN 5950-00-824-2901
NSN 4140-01-597-3673
NSN 4140-00-103-9728
NSN 5965-01-113-9061
NSN 6220-01-032-7370
NSN 6220-01-406-5351
NSN 6135-00-269-5843
NSN 6105-01-100-5534
NSN 5945-01-275-8448
NSN 6110-00-269-2696
NSN 5975-01-460-4894