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 6150-00-484-7473
NSN 6145-01-054-3874
NSN 4140-00-728-3097
NSN 6320-00-284-1524
NSN 6145-01-361-8985
NSN 5960-01-076-4708
NSN 6110-01-421-2308
NSN 5950-01-495-2652
NSN 5999-01-376-2953
NSN 6685-01-048-7709
NSN 5998-01-254-2777
NSN 6685-01-580-9640