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 6620-01-346-9340
NSN 5945-01-605-6936
NSN 5990-00-419-0236
NSN 4140-01-166-0028
NSN 2925-01-500-4952
NSN 6620-00-448-6442
NSN 5965-01-530-7737
NSN 5998-00-234-9472
NSN 5945-00-939-2297
NSN 5835-00-660-4523
NSN 5920-00-546-5624
NSN 6240-00-902-9310