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 6110-00-781-4285
NSN 5915-00-518-0851
NSN 6240-00-226-7185
NSN 6150-01-289-1283
NSN 5855-01-042-7990
NSN 6130-00-413-4683
NSN 6130-01-517-0583
NSN 5945-00-172-2894
NSN 6620-00-635-7347
NSN 4140-01-463-2114
NSN 5905-01-458-3448
NSN 6240-01-505-7424