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 6130-01-575-5315
NSN 6145-01-119-9040
NSN 6150-01-056-5288
NSN 5965-01-392-0049
NSN 5999-01-356-0470
NSN 6150-00-144-7115
NSN 6685-01-322-6429
NSN 5985-01-341-3746
NSN 6685-00-457-1598
NSN 6135-00-305-2052
NSN 6650-00-252-6271
NSN 5915-00-337-6698