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 5990-00-797-7649
NSN 5950-01-422-1272
NSN 5999-01-269-3052
NSN 5855-01-657-7657
NSN 6130-00-967-0475
NSN 6610-01-429-7267
NSN 6220-00-723-2163
NSN 5925-00-813-6810
NSN 5965-01-362-9609
NSN 6645-00-310-5839
NSN 5985-01-391-4643
NSN 6110-01-004-9870