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 5835-00-602-4750
NSN 6645-00-369-4410
NSN 6650-00-130-6822
NSN 4140-01-100-4652
NSN 4140-00-001-8404
NSN 6130-01-306-5644
NSN 5855-01-441-3189
NSN 5935-01-395-7526
NSN 5895-00-231-0391
NSN 6145-01-415-1912
NSN 6220-00-960-7591
NSN 6220-00-839-2589