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 6650-01-318-9413
NSN 6150-01-164-7700
NSN 6685-01-264-4967
NSN 6130-00-688-6350
NSN 6240-01-400-4212
NSN 6130-01-073-7505
NSN 6110-01-350-3449
NSN 6650-00-527-7451
NSN 5965-00-424-9636
NSN 6110-00-912-4043
NSN 5996-00-456-0895
NSN 6145-00-017-9707