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 5855-00-797-8217
NSN 6620-00-810-6774
NSN 6150-01-279-3101
NSN 6620-00-329-9460
NSN 6145-01-185-2926
NSN 5835-01-158-6878
NSN 6320-01-562-1599
NSN 6150-00-787-5668
NSN 6610-00-034-3709
NSN 6220-01-030-7338
NSN 6145-01-409-1685
NSN 5999-00-158-5118