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 5950-00-473-8683
NSN 5905-01-648-4994
NSN 5915-00-753-9636
NSN 6145-01-040-6334
NSN 5915-01-069-2775
NSN 5915-01-602-9324
NSN 5999-01-157-9922
NSN 5945-01-241-2155
NSN 5965-00-424-9636
NSN 5998-00-933-9979
NSN 5930-00-050-5453
NSN 5910-00-607-1416