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 6150-00-618-2749
NSN 6620-01-186-4374
NSN 5975-01-377-9293
NSN 6110-01-400-4207
NSN 5895-00-884-4381
NSN 5990-01-328-9846
NSN 6110-01-500-0768
NSN 6130-01-624-1676
NSN 4140-00-213-9937
NSN 6240-01-393-4039
NSN 5930-01-086-8941
NSN 5960-00-121-4963