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 6105-01-450-8580
NSN 6240-00-319-0173
NSN 5990-00-101-2524
NSN 6320-01-425-1417
NSN 5925-00-529-0441
NSN 5920-01-443-9451
NSN 6135-01-142-2417
NSN 5985-00-355-7611
NSN 5835-00-593-8511
NSN 5990-01-411-5930
NSN 6145-01-211-7577
NSN 5998-01-214-6579