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 5915-00-670-7948
NSN 6220-00-308-3487
NSN 5835-01-528-7454
NSN 5975-00-781-6473
NSN 5945-01-215-0710
NSN 5996-01-368-0852
NSN 6685-01-271-0715
NSN 6320-01-512-2031
NSN 5945-01-126-2471
NSN 6130-01-431-7738
NSN 5920-01-468-0186
NSN 6135-01-420-5907