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 5920-00-106-0278
NSN 6620-00-010-8190
NSN 6610-01-632-3364
NSN 5905-01-425-7766
NSN 5990-01-030-5206
NSN 6130-01-238-9650
NSN 6110-01-250-2708
NSN 5965-00-378-3403
NSN 5950-01-394-4931
NSN 5960-01-268-8674
NSN 5998-01-356-6145
NSN 5985-01-039-3525