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 5975-00-833-1776
NSN 5835-01-525-3220
NSN 5925-01-358-8780
NSN 6220-01-557-2704
NSN 5998-01-643-4219
NSN 5835-01-276-2808
NSN 5998-01-539-4724
NSN 5930-00-158-6359
NSN 5990-00-372-5177
NSN 6650-01-243-5291
NSN 5996-00-058-3089
NSN 6150-01-449-3165