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 5905-00-158-9963
NSN 5985-01-015-0831
NSN 6110-01-174-2184
NSN 6240-00-559-3625
NSN 5960-01-461-1384
NSN 5935-01-521-9233
NSN 6105-01-329-8862
NSN 5920-01-426-8517
NSN 6645-01-244-4881
NSN 6610-01-318-6713
NSN 6240-00-784-0740
NSN 6220-01-394-9792