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 6150-00-831-6940
NSN 6145-01-633-5266
NSN 5975-00-816-9621
NSN 5910-01-394-0048
NSN 6240-01-068-3491
NSN 5910-01-383-6749
NSN 5990-01-200-7460
NSN 5920-00-665-3973
NSN 5998-01-371-2527
NSN 5945-00-824-5216
NSN 6685-01-310-2212
NSN 5965-01-237-3342