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 5998-00-401-2197
NSN 6645-00-804-7987
NSN 5965-01-104-5102
NSN 5920-01-113-9040
NSN 6110-01-198-6154
NSN 6135-00-235-1938
NSN 5998-00-222-1248
NSN 6145-00-394-4511
NSN 5945-01-188-1437
NSN 5996-00-552-1406
NSN 5996-01-462-5332
NSN 5975-01-111-9988