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 5905-01-129-6538
NSN 6105-01-117-1212
NSN 5999-01-579-4194
NSN 5965-01-358-3198
NSN 4140-01-400-3610
NSN 6135-01-014-9755
NSN 5990-00-078-8529
NSN 5990-01-644-3095
NSN 5999-01-079-1202
NSN 5960-00-014-0519
NSN 5999-01-323-5355
NSN 6685-00-753-7668