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 6620-01-447-4607
NSN 5835-00-187-1481
NSN 5975-01-143-7753
NSN 6650-01-290-4001
NSN 5985-01-512-1867
NSN 6610-00-910-6822
NSN 5920-01-311-9812
NSN 2925-00-233-5644
NSN 6145-01-245-4163
NSN 5835-01-250-2939
NSN 6135-01-100-3593
NSN 5990-00-140-1159