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 5990-00-625-2560
NSN 6645-01-363-5944
NSN 5975-00-820-1581
NSN 5920-01-325-0286
NSN 5999-01-023-1633
NSN 5905-00-389-6252
NSN 6220-00-079-2943
NSN 5945-01-460-3365
NSN 5855-01-147-4785
NSN 6130-00-554-7852
NSN 2925-01-196-6187
NSN 5855-01-484-6507