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 5925-01-525-7605
NSN 5960-01-309-0361
NSN 6130-01-445-6739
NSN 6130-01-650-7391
NSN 6650-00-011-3435
NSN 6220-00-567-6862
NSN 6130-01-634-0603
NSN 5998-00-260-0272
NSN 5990-01-481-3080
NSN 5920-00-185-9587
NSN 5985-01-013-2045
NSN 5920-01-125-4356