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 5985-01-139-4667
NSN 5950-00-248-2324
NSN 7035-00-753-0695
NSN 6130-01-417-2662
NSN 6130-01-146-5241
NSN 6110-01-037-0641
NSN 5945-00-773-6467
NSN 6645-00-596-5388
NSN 5965-00-879-7287
NSN 4140-01-599-8434
NSN 5925-01-218-5999
NSN 5996-01-476-1715