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 6130-01-650-1562
NSN 5990-00-481-7208
NSN 5910-00-104-7260
NSN 5998-01-170-7718
NSN 6105-00-539-9634
NSN 5999-01-428-7427
NSN 6685-01-376-2291
NSN 4140-00-120-1203
NSN 5915-01-195-6083
NSN 5915-00-301-3818
NSN 6145-00-669-6795
NSN 5990-01-573-1634