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 5990-01-433-1471
NSN 6110-01-162-0254
NSN 6645-00-658-7838
NSN 6685-01-011-9086
NSN 4140-01-084-7596
NSN 5975-01-164-5037
NSN 6645-00-049-6713
NSN 5990-01-100-1840
NSN 5930-00-259-7150
NSN 2925-01-274-8576
NSN 6145-01-364-7837
NSN 2925-01-065-0060