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 5998-01-393-7248
NSN 4140-01-464-3231
NSN 5985-01-044-4530
NSN 5996-00-351-2369
NSN 5915-01-403-2599
NSN 4140-01-456-0891
NSN 5960-01-175-9880
NSN 6620-00-646-9474
NSN 5965-01-594-1983
NSN 5925-00-448-2543
NSN 6645-01-256-9696
NSN 6110-01-596-7302