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 5996-01-633-6642
NSN 5835-01-109-4775
NSN 2925-00-355-5130
NSN 6220-01-234-3225
NSN 5920-01-631-4334
NSN 6130-01-356-2586
NSN 2925-01-364-7926
NSN 4140-01-269-9955
NSN 6620-00-170-5296
NSN 5996-01-157-7079
NSN 5950-00-378-9959
NSN 5835-01-138-0181