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 5999-00-904-0719
NSN 5935-01-427-3822
NSN 6620-00-918-8209
NSN 6610-01-333-9543
NSN 6645-01-250-2702
NSN 5998-00-153-4557
NSN 5910-01-108-0671
NSN 6110-01-228-8384
NSN 5935-00-643-7896
NSN 5920-01-435-8597
NSN 5950-01-310-3109
NSN 5999-01-597-0093