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 6110-01-028-4001
NSN 5999-01-555-5172
NSN 5999-01-468-1071
NSN 5999-00-294-9241
NSN 6110-01-353-5815
NSN 6105-01-267-6840
NSN 5998-01-050-8908
NSN 5996-01-287-4427
NSN 6645-00-476-7176
NSN 5935-00-875-1022
NSN 6110-01-503-0334
NSN 6220-01-250-2376