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 5915-01-257-0999
NSN 6685-00-844-2231
NSN 5950-01-153-7406
NSN 5905-01-073-5733
NSN 6220-00-969-9137
NSN 6110-01-190-5512
NSN 6145-00-959-1481
NSN 5835-00-505-2516
NSN 4140-01-065-1884
NSN 5935-00-943-7432
NSN 5965-01-376-1012
NSN 6135-00-100-8890