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 6145-01-391-5148
NSN 6620-01-431-9176
NSN 5975-00-879-3750
NSN 5950-01-094-3720
NSN 6130-00-135-4919
NSN 6130-00-287-6362
NSN 6685-01-123-9275
NSN 5996-01-452-1868
NSN 5920-00-150-1148
NSN 5990-01-010-5475
NSN 5985-01-175-4365
NSN 5945-00-607-9870