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 5895-00-840-3776
NSN 6620-01-185-9134
NSN 6240-01-151-2330
NSN 5990-01-583-2870
NSN 5855-01-279-9938
NSN 4140-00-949-8572
NSN 5950-01-350-3702
NSN 5965-01-063-7894
NSN 5975-01-335-5848
NSN 6135-00-276-7625
NSN 6645-01-514-0236
NSN 5855-01-440-9880