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 6610-01-630-5515
NSN 6620-01-116-0486
NSN 5990-00-446-0518
NSN 6610-01-398-1094
NSN 5895-01-328-9094
NSN 6240-01-625-0605
NSN 5910-01-410-7749
NSN 5950-00-365-1223
NSN 6130-01-514-9978
NSN 6110-00-271-9928
NSN 5960-01-136-3710
NSN 6620-01-539-2729