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 6135-00-223-9563
NSN 6130-01-071-2820
NSN 6130-01-317-3170
NSN 6645-01-414-6125
NSN 5960-01-204-5820
NSN 4140-01-173-0151
NSN 5996-01-174-0830
NSN 6610-01-424-9721
NSN 6650-01-606-8651
NSN 5855-01-657-7657
NSN 6645-01-275-5328
NSN 6620-01-453-6037