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 4140-01-353-7761
NSN 5945-00-422-5611
NSN 5910-00-099-9998
NSN 5855-01-537-4951
NSN 6135-01-236-8603
NSN 5930-00-800-1641
NSN 5996-00-823-9164
NSN 6135-00-803-3012
NSN 6150-01-421-2543
NSN 5915-01-258-6880
NSN 5999-01-617-7515
NSN 5915-00-328-9663