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 5998-01-495-3777
NSN 5996-00-698-3971
NSN 6610-00-181-5733
NSN 6220-01-462-6931
NSN 6145-00-228-0742
NSN 6685-01-187-4095
NSN 7035-01-227-2546
NSN 5895-01-207-5038
NSN 5960-01-146-0289
NSN 5930-01-498-1154
NSN 6135-00-539-8088
NSN 7035-01-555-7239