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 5960-00-710-9818
NSN 5920-01-634-0250
NSN 5835-00-009-2862
NSN 5975-00-682-6958
NSN 6145-00-201-1330
NSN 5990-01-527-4868
NSN 6685-01-005-8982
NSN 6320-01-201-2776
NSN 5915-00-995-4759
NSN 6150-00-614-2132
NSN 5925-00-209-0435
NSN 6110-01-607-2367