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 6150-01-509-5260
NSN 5998-01-469-8401
NSN 5999-00-714-6293
NSN 5985-00-405-1146
NSN 6220-00-072-9226
NSN 5998-01-514-2701
NSN 5930-01-144-5467
NSN 6620-00-905-6590
NSN 6620-01-320-7656
NSN 6150-01-328-6206
NSN 6650-01-359-8537
NSN 5999-01-043-5259