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 5905-00-132-0170
NSN 5835-01-558-9444
NSN 4140-00-618-4980
NSN 5999-01-154-9217
NSN 6105-01-222-7236
NSN 5998-00-234-8813
NSN 6105-00-065-8751
NSN 6130-01-430-3686
NSN 5945-00-551-8330
NSN 6130-01-100-7453
NSN 6130-01-024-9968
NSN 5965-01-263-7636