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 5835-00-490-0530
NSN 5920-01-355-3674
NSN 4140-01-033-4953
NSN 5915-01-100-3241
NSN 5965-01-615-7264
NSN 5990-01-582-1977
NSN 6240-01-492-6529
NSN 6130-01-125-7492
NSN 6110-01-633-9660
NSN 6220-01-246-5317
NSN 5975-01-420-0404
NSN 5935-01-444-0006