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 6685-00-401-8090
NSN 5915-00-256-6188
NSN 5915-00-144-5548
NSN 5985-01-196-6144
NSN 6620-01-484-2767
NSN 2925-01-225-0713
NSN 5835-01-023-0511
NSN 6685-00-679-9965
NSN 6620-00-292-7000
NSN 5915-01-323-7154
NSN 5915-00-425-3492
NSN 6135-00-134-6648