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 6610-01-412-4427
NSN 5945-00-127-9257
NSN 6320-01-098-2503
NSN 5960-01-589-6846
NSN 4140-01-452-2980
NSN 5920-01-167-8869
NSN 5998-00-932-5589
NSN 5965-01-271-0808
NSN 5996-00-823-9164
NSN 5950-00-826-9050
NSN 6145-01-591-3203
NSN 5950-00-409-0331