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 6645-00-988-4427
NSN 6645-01-064-3711
NSN 6110-01-243-1677
NSN 5905-00-299-4987
NSN 5960-00-147-0519
NSN 4140-01-599-9383
NSN 6130-01-186-5141
NSN 5990-01-187-8594
NSN 5855-01-027-1571
NSN 6645-00-256-4072
NSN 6105-00-527-7702
NSN 5998-01-038-4586