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 5905-00-542-6471
NSN 5910-00-964-7714
NSN 6620-00-658-6588
NSN 5915-00-622-0390
NSN 5999-01-110-4871
NSN 6130-00-964-9083
NSN 5996-01-074-9603
NSN 6645-01-168-8465
NSN 6320-01-082-2970
NSN 4140-00-451-8374
NSN 5855-01-495-2670
NSN 5945-01-634-0588