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 5960-00-315-0358
NSN 5965-00-230-8818
NSN 5975-00-197-9762
NSN 5975-00-283-6686
NSN 5925-00-975-7105
NSN 5960-00-661-0477
NSN 5999-00-441-1688
NSN 5998-00-306-4453
NSN 5905-00-290-8098
NSN 6620-00-596-1951
NSN 5835-01-482-1591
NSN 6610-01-595-9809