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 6220-00-643-4045
NSN 6645-00-032-5730
NSN 6135-01-168-2944
NSN 5945-00-276-9274
NSN 6610-00-701-2600
NSN 6110-01-107-5509
NSN 5835-01-084-6997
NSN 6320-01-143-3597
NSN 5950-01-643-2126
NSN 5945-01-232-9939
NSN 5985-01-335-0388
NSN 5999-01-030-6817