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 5835-01-180-1400
NSN 5920-01-408-7667
NSN 5996-01-564-5075
NSN 6320-01-435-5991
NSN 5998-00-146-7033
NSN 6645-01-511-3272
NSN 5999-01-013-1120
NSN 5996-01-280-5417
NSN 5930-01-387-3864
NSN 5945-01-174-3457
NSN 5990-01-094-7740
NSN 6110-01-360-1566