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 5905-01-181-6549
NSN 5920-00-476-0528
NSN 6150-01-275-8463
NSN 5945-00-130-2618
NSN 6110-01-510-1456
NSN 6240-01-040-5530
NSN 6610-01-395-2218
NSN 6620-00-248-6950
NSN 5935-00-368-4885
NSN 6645-01-499-7385
NSN 2925-00-112-9175
NSN 6145-00-369-3880