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 6650-01-633-9147
NSN 5895-00-837-3441
NSN 5920-01-255-8851
NSN 5990-01-490-4341
NSN 6685-01-463-8461
NSN 5965-01-293-0121
NSN 5930-01-534-7283
NSN 6130-01-593-8173
NSN 5930-00-584-9313
NSN 6130-01-524-2740
NSN 6620-01-633-8443
NSN 6320-01-331-1783