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 4140-00-462-8465
NSN 6220-01-587-8437
NSN 5960-00-929-5242
NSN 5945-00-558-9155
NSN 5960-00-204-7506
NSN 5990-01-012-0613
NSN 5835-01-200-7153
NSN 5905-01-282-0108
NSN 5930-00-620-6555
NSN 5895-01-249-7805
NSN 5950-00-827-0246
NSN 6320-01-436-0513