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 6240-01-337-2509
NSN 2925-01-448-2880
NSN 6145-01-341-1058
NSN 5935-01-425-0734
NSN 6645-01-367-1316
NSN 6145-01-038-9725
NSN 6650-01-646-1643
NSN 6685-01-526-8473
NSN 5895-01-520-9156
NSN 6685-01-115-8044
NSN 5990-01-199-4832
NSN 5985-01-196-6144