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 5905-00-638-6776
NSN 6105-01-118-1412
NSN 5960-01-009-5983
NSN 5895-01-157-7112
NSN 6620-00-394-1812
NSN 5998-01-169-0649
NSN 5985-01-545-1623
NSN 5950-01-021-1568
NSN 5905-01-205-7519
NSN 6240-00-957-5724
NSN 5985-00-393-2480
NSN 6130-01-619-9419