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 6110-00-306-0983
NSN 5915-01-010-3866
NSN 4140-01-322-4591
NSN 5905-01-099-1620
NSN 6145-00-821-2106
NSN 5930-00-404-4758
NSN 6650-01-633-9147
NSN 5930-00-838-6805
NSN 5895-01-251-6674
NSN 6105-01-468-9528
NSN 5975-01-273-0209
NSN 5920-00-590-4192