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 5915-00-452-0863
NSN 5945-01-096-8010
NSN 6135-01-136-8306
NSN 5999-01-322-3818
NSN 5895-00-847-6598
NSN 6620-01-426-2220
NSN 6240-01-044-7384
NSN 6220-00-754-3452
NSN 5920-00-201-4914
NSN 6145-01-442-3511
NSN 6645-01-008-2720
NSN 5996-01-492-5408