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 5999-01-147-3906
NSN 5998-01-523-3089
NSN 6110-00-911-4000
NSN 6135-00-958-7981
NSN 5945-01-465-2044
NSN 6110-01-106-5111
NSN 5915-01-633-9845
NSN 5985-01-283-4452
NSN 6150-01-605-8592
NSN 6610-00-931-3656
NSN 5985-00-450-5350
NSN 6645-01-361-8947