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 5960-00-197-6282
NSN 5925-01-012-1890
NSN 5920-01-246-5011
NSN 5910-01-508-4983
NSN 5925-00-978-7114
NSN 6320-01-317-0926
NSN 5835-01-606-3086
NSN 5835-00-695-9543
NSN 5930-01-087-2665
NSN 6610-01-078-9238
NSN 4140-01-121-7902
NSN 5835-01-592-2350