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 6650-01-162-2881
NSN 6620-00-140-8644
NSN 5996-00-161-4202
NSN 6150-01-543-7620
NSN 5915-01-491-6280
NSN 6610-00-731-3800
NSN 5930-00-310-4843
NSN 6150-00-466-9883
NSN 6685-00-113-8949
NSN 6320-01-343-8191
NSN 5915-01-494-8715
NSN 5950-01-548-4084