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 5990-01-320-1412
NSN 5925-01-178-2555
NSN 7035-01-328-3344
NSN 5960-01-169-1372
NSN 5996-01-260-2993
NSN 2925-00-571-5811
NSN 6620-01-230-0197
NSN 5835-01-424-0054
NSN 4140-01-278-6709
NSN 6645-00-551-8291
NSN 6145-01-139-2158
NSN 5920-01-215-0497