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 5930-01-184-9380
NSN 5905-01-049-3140
NSN 5990-01-124-9063
NSN 6145-01-650-1791
NSN 5950-01-327-1800
NSN 6130-01-032-6013
NSN 5999-01-461-3473
NSN 5985-00-793-5021
NSN 6620-01-158-5111
NSN 6685-01-525-5884
NSN 6685-01-485-2314
NSN 6610-00-510-2906