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 6620-01-274-0203
NSN 5999-01-315-3921
NSN 5950-00-469-5982
NSN 6645-00-580-2652
NSN 6135-01-247-5660
NSN 6135-01-430-3119
NSN 5999-00-172-0985
NSN 5935-01-129-9512
NSN 5835-01-416-6455
NSN 5835-01-111-9838
NSN 2925-01-376-6760
NSN 5990-00-842-0781