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 6610-00-386-4745
NSN 6220-00-834-2838
NSN 6220-01-197-7387
NSN 5998-01-482-9234
NSN 6320-01-501-7935
NSN 6150-01-162-4221
NSN 6145-00-126-1606
NSN 5975-01-649-2866
NSN 5835-01-392-7683
NSN 6240-00-451-3016
NSN 6130-01-112-0158
NSN 4140-01-154-7033