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 6135-01-388-1981
NSN 6620-01-633-8443
NSN 6110-00-420-1357
NSN 5935-01-521-3673
NSN 5999-00-404-0840
NSN 7035-01-656-4132
NSN 6240-01-036-3031
NSN 5965-00-170-5254
NSN 6320-00-174-1362
NSN 5855-00-925-0114
NSN 5975-00-631-3295
NSN 5999-01-122-8782