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 6620-00-065-3235
NSN 2925-01-364-7926
NSN 5945-00-862-3979
NSN 2925-01-085-0691
NSN 4140-01-089-9724
NSN 5998-01-579-5423
NSN 5998-01-429-2634
NSN 5855-01-147-6024
NSN 2925-01-362-2515
NSN 5925-00-576-8179
NSN 5960-00-778-6167
NSN 6650-01-432-1830