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 5950-00-248-6921
NSN 6685-01-240-3428
NSN 6150-01-324-3386
NSN 4140-00-878-1222
NSN 5985-01-553-6124
NSN 5925-01-029-3483
NSN 5915-01-633-9845
NSN 5925-00-552-6491
NSN 5996-00-389-7404
NSN 5920-00-303-5290
NSN 5990-00-452-9194
NSN 5945-01-185-5951