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 5915-00-883-9287
NSN 5930-01-554-8231
NSN 5905-01-013-9558
NSN 5905-01-622-1066
NSN 5905-00-405-1341
NSN 5855-01-634-0259
NSN 6610-00-807-6620
NSN 5835-01-191-3405
NSN 6610-01-226-2347
NSN 6110-00-040-0164
NSN 5998-01-466-2660
NSN 5950-00-804-2998