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 5999-00-474-4134
NSN 6135-01-483-1501
NSN 5835-01-163-4215
NSN 6220-00-498-2424
NSN 2925-01-368-5773
NSN 5999-01-108-4330
NSN 5950-00-504-5337
NSN 6220-01-538-7194
NSN 5905-00-163-4584
NSN 5999-00-405-4036
NSN 5835-01-301-0022
NSN 6685-00-634-9964