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 6220-01-660-8556
NSN 6320-00-270-8222
NSN 5910-01-280-3201
NSN 5960-00-769-5103
NSN 6220-01-475-1779
NSN 6130-01-406-7385
NSN 6130-00-113-9768
NSN 5975-01-084-8216
NSN 5935-01-536-5626
NSN 5925-01-227-5536
NSN 6145-00-635-9957
NSN 5960-01-435-1167