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 6135-01-071-4923
NSN 6220-01-432-2232
NSN 5985-01-200-7497
NSN 5835-00-632-8621
NSN 5990-01-335-7948
NSN 6240-00-372-4841
NSN 5855-01-542-9059
NSN 5990-01-390-2177
NSN 6610-01-512-2025
NSN 5905-00-359-9751
NSN 5925-01-495-0602
NSN 6145-00-069-8964