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 5930-01-113-7928
NSN 6650-01-342-5890
NSN 6610-00-360-2713
NSN 6320-01-449-1014
NSN 6105-01-148-9911
NSN 6145-00-539-9799
NSN 5999-01-489-6139
NSN 5945-01-227-5525
NSN 5950-00-392-3886
NSN 5855-00-494-9581
NSN 5930-01-219-0520
NSN 5990-00-660-8608