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 6685-01-310-0584
NSN 2925-00-526-4541
NSN 5975-00-959-3606
NSN 5999-01-135-5057
NSN 5960-01-512-0233
NSN 5975-01-500-5724
NSN 6105-01-491-2045
NSN 6105-01-032-2856
NSN 5930-01-420-6529
NSN 6610-00-280-2982
NSN 6110-01-460-7870
NSN 5999-01-485-0316