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 5945-00-080-9692
NSN 5975-01-400-4204
NSN 6145-01-137-7321
NSN 6150-00-620-6012
NSN 6610-01-165-2103
NSN 5975-01-181-8328
NSN 5999-01-580-4023
NSN 6685-01-173-9507
NSN 6130-01-425-1425
NSN 5895-00-738-9180
NSN 6620-01-193-7774
NSN 4140-01-305-6934