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 6130-01-393-0601
NSN 6145-00-126-1606
NSN 5920-01-154-3612
NSN 6105-01-656-5971
NSN 6240-01-274-4237
NSN 6645-01-487-8227
NSN 5975-01-512-8525
NSN 6645-00-888-5820
NSN 5905-00-203-1585
NSN 5920-00-359-9771
NSN 5920-00-839-2318
NSN 5975-01-556-7324