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 5990-01-468-1292
NSN 6220-01-463-2252
NSN 6135-00-934-9550
NSN 5990-01-231-9608
NSN 5998-01-375-0292
NSN 6150-00-766-5748
NSN 6145-01-187-8909
NSN 5935-01-250-6786
NSN 5920-00-308-0778
NSN 6110-00-271-9928
NSN 6685-00-471-4125
NSN 6240-01-273-2675