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 5935-00-524-5706
NSN 5855-01-534-7940
NSN 5915-01-106-8549
NSN 5950-01-207-0751
NSN 5975-01-429-9503
NSN 5990-00-880-8225
NSN 6135-01-236-8603
NSN 6150-01-359-2637
NSN 5855-01-157-5505
NSN 6650-01-098-9711
NSN 5905-01-424-7184
NSN 5905-00-528-9975