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 4140-01-065-1884
NSN 5920-00-271-3217
NSN 4140-01-176-0482
NSN 6135-01-510-9986
NSN 5905-00-020-8861
NSN 6610-01-214-5359
NSN 5925-00-891-4079
NSN 6650-01-421-2762
NSN 6320-00-405-2348
NSN 5960-01-553-4557
NSN 5965-00-653-4782
NSN 5950-00-269-2698