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 5950-01-657-6427
NSN 5945-01-167-8194
NSN 6610-00-850-4910
NSN 6150-01-112-0391
NSN 6240-01-050-8306
NSN 6130-00-754-7790
NSN 4140-00-406-4369
NSN 6150-01-529-6368
NSN 5945-01-352-3246
NSN 5999-01-200-7992
NSN 6620-01-209-1472
NSN 5835-00-233-6327