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 4140-01-583-7401
NSN 6240-01-367-3656
NSN 5998-01-438-8683
NSN 5996-01-188-3831
NSN 5945-00-956-1341
NSN 5990-00-503-4724
NSN 5998-01-023-1636
NSN 2925-00-943-2263
NSN 6145-01-378-8661
NSN 6130-00-130-1156
NSN 4140-01-206-2397
NSN 5905-00-417-3941