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 5920-01-612-0541
NSN 5915-01-463-2465
NSN 6645-01-419-3071
NSN 6145-01-558-4521
NSN 5895-00-991-4582
NSN 5985-01-145-4673
NSN 5998-01-444-2269
NSN 5910-01-611-8200
NSN 6685-01-632-6452
NSN 6240-01-039-4241
NSN 5935-01-146-4363
NSN 6620-01-174-0308