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 6645-01-244-4881
NSN 6240-00-732-4240
NSN 5945-01-518-3801
NSN 5965-01-089-8579
NSN 5975-01-633-7520
NSN 5998-00-737-6260
NSN 5855-01-085-5354
NSN 5915-00-394-1336
NSN 6130-01-367-6563
NSN 5855-01-236-9645
NSN 5945-01-464-9069
NSN 6620-01-423-0833