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 6130-01-089-8154
NSN 5990-00-924-4167
NSN 4140-00-287-9199
NSN 6105-00-372-4716
NSN 6130-01-033-0288
NSN 5998-00-850-8501
NSN 5975-01-019-4532
NSN 5990-00-959-8280
NSN 5935-00-391-6275
NSN 6685-00-647-3883
NSN 6220-01-453-9038
NSN 5975-01-401-5355