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.
Classification: Unwrought aluminum, not alloyed
NSN 5965-00-313-8958
NSN 6320-00-295-2854
NSN 5835-00-683-4612
NSN 6110-01-602-8261
NSN 5855-00-466-2309
NSN 5965-01-278-8218
NSN 5996-00-176-0999
NSN 5998-01-420-5982
NSN 5925-01-560-5631
NSN 6110-00-989-7176
NSN 6110-01-058-2476
NSN 5998-00-104-6917