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 5975-01-170-4131
NSN 5855-01-502-1607
NSN 5915-01-216-5509
NSN 5835-00-807-5632
NSN 5935-01-543-0151
NSN 6135-01-355-8917
NSN 5905-00-802-9898
NSN 6135-01-310-9866
NSN 5920-01-543-0066
NSN 5910-00-248-6370
NSN 6650-00-515-6002
NSN 5996-01-617-2157