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 6650-01-512-1930
NSN 5855-01-411-3360
NSN 6110-01-229-5792
NSN 5915-01-299-7393
NSN 5975-00-617-3458
NSN 5998-01-190-3940
NSN 4140-01-398-2900
NSN 5999-01-491-7878
NSN 5905-01-376-0224
NSN 5999-01-085-5540
NSN 6110-01-481-3682
NSN 6105-01-513-8653