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 5999-01-422-5390
NSN 5835-00-247-0161
NSN 5945-01-379-8249
NSN 5998-01-471-2846
NSN 5905-01-332-3123
NSN 6135-01-590-8320
NSN 6320-00-371-8335
NSN 5965-01-106-4969
NSN 4140-01-287-0563
NSN 5935-01-173-5727
NSN 5910-01-398-8829
NSN 5998-01-543-6226