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 6220-01-431-7319
NSN 6620-00-170-5296
NSN 6620-00-113-9145
NSN 6105-00-737-0829
NSN 6135-00-128-1633
NSN 7035-01-298-5154
NSN 5950-01-245-4695
NSN 5910-01-406-6504
NSN 5835-01-411-7050
NSN 6135-01-062-9356
NSN 6645-01-172-6838
NSN 5855-00-233-2366