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 5950-00-740-2496
NSN 5915-01-599-8846
NSN 6650-00-292-9106
NSN 5999-00-835-9381
NSN 5935-01-224-7281
NSN 6130-00-138-0649
NSN 5985-01-037-7369
NSN 5910-01-309-4049
NSN 6220-01-458-6592
NSN 6645-01-473-3752
NSN 6685-01-080-5449
NSN 5960-00-952-5652