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 6145-00-445-7839
NSN 6650-01-619-9986
NSN 6150-01-158-8840
NSN 5996-01-604-9653
NSN 5990-01-355-8875
NSN 5835-01-324-3967
NSN 6220-00-021-9040
NSN 5998-01-156-7634
NSN 6150-00-156-6080
NSN 5905-00-076-7135
NSN 5920-01-290-3771
NSN 5975-01-521-0588