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 5985-00-411-9596
NSN 6645-00-072-1909
NSN 6130-01-502-8877
NSN 6105-01-083-2186
NSN 6240-01-596-3183
NSN 6110-01-522-6827
NSN 5925-00-752-8292
NSN 5999-00-168-8045
NSN 5985-01-391-3466
NSN 6145-00-753-2264
NSN 6145-00-600-6359
NSN 6620-01-400-2928