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 5960-01-309-5933
NSN 5965-01-505-9989
NSN 6145-01-443-4120
NSN 6320-00-573-8034
NSN 5998-01-135-0753
NSN 5835-01-172-5884
NSN 6610-01-645-7515
NSN 5996-01-159-6070
NSN 5975-00-869-6480
NSN 6220-00-236-3383
NSN 5935-01-420-0444
NSN 5920-01-270-0615