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 6220-00-177-3086
NSN 5998-01-185-6161
NSN 6145-00-004-7323
NSN 4140-01-515-2722
NSN 5975-01-232-8049
NSN 6240-00-902-0936
NSN 6685-00-248-7716
NSN 6110-00-054-2527
NSN 5998-00-498-0348
NSN 5990-00-899-9836
NSN 5895-01-244-8621
NSN 5996-00-054-4628