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 5990-01-294-6198
NSN 5855-00-797-8217
NSN 5915-01-515-6271
NSN 6645-01-552-4570
NSN 5945-01-324-2862
NSN 5945-01-306-9610
NSN 5999-00-057-1544
NSN 6130-01-266-6335
NSN 6220-01-192-3451
NSN 5855-01-543-4274
NSN 6150-00-849-6555
NSN 5905-00-453-6174