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 5915-00-255-3674
NSN 6240-00-242-6231
NSN 5930-00-468-8320
NSN 5905-01-313-9911
NSN 5999-00-571-6033
NSN 5905-01-064-0496
NSN 6130-00-545-3069
NSN 5920-01-529-6525
NSN 5930-01-598-5570
NSN 6240-00-655-2523
NSN 5996-00-222-6049
NSN 5915-00-855-0909