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 5996-00-383-6173
NSN 5910-01-452-2504
NSN 6610-01-212-2969
NSN 4140-00-679-9512
NSN 2925-01-389-6874
NSN 5990-01-013-8464
NSN 5920-01-152-1949
NSN 4140-00-239-9174
NSN 5999-00-007-5210
NSN 6145-01-598-4291
NSN 5835-01-495-0595
NSN 5960-01-462-7704