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 5915-00-240-2712
NSN 5965-01-142-7862
NSN 6620-01-026-0346
NSN 5999-01-241-1098
NSN 5905-00-157-9823
NSN 5985-01-278-8819
NSN 5935-00-032-9772
NSN 5990-01-331-9438
NSN 5920-01-527-3306
NSN 5996-01-088-7074
NSN 6220-00-970-3797
NSN 6620-01-535-6925