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 6240-01-605-1799
NSN 5910-00-398-0930
NSN 6110-00-200-8465
NSN 6620-01-653-7644
NSN 6610-01-302-6347
NSN 7035-01-411-6062
NSN 6105-01-047-1347
NSN 6130-01-059-2445
NSN 5925-01-546-3408
NSN 6645-01-346-4505
NSN 6240-01-437-6888
NSN 5905-01-253-9794