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 6135-01-496-5810
NSN 4140-01-606-8772
NSN 5996-01-331-6875
NSN 5905-01-444-4160
NSN 5999-00-843-8022
NSN 5990-01-074-6549
NSN 6110-00-050-3730
NSN 4140-01-435-6540
NSN 6145-01-629-6839
NSN 6650-01-455-5895
NSN 5985-01-218-0589
NSN 5945-01-088-4302