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 5905-00-724-7658
NSN 5905-01-441-6270
NSN 5975-00-636-4910
NSN 6645-01-529-8822
NSN 5950-01-519-8947
NSN 6620-01-196-7670
NSN 5935-01-255-4062
NSN 5910-00-296-1054
NSN 5905-00-209-1045
NSN 5905-00-132-0170
NSN 5999-01-287-9782
NSN 5915-01-069-3616