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 6150-01-639-8152
NSN 5935-00-251-1915
NSN 6685-01-448-4056
NSN 6645-01-643-7151
NSN 5985-01-614-9850
NSN 4140-00-111-3247
NSN 4140-01-555-8190
NSN 5999-00-666-3838
NSN 5855-01-234-5346
NSN 5920-01-562-4779
NSN 6220-00-782-0900
NSN 5975-00-019-8993